Dunedin Weather
Weather in Dunedin, Otago: current conditions, forecast, warnings, monthly averages and seasonal guide
7°C
Overcast
Updated 29 Apr, 4:19 am
High / Low
19°C / 7°C
Feels Like
5°C
Humidity
98%
Wind
N 11 km/h
Wind Gusts
21 km/h
Dew Point
7°C
Pressure
1019 hPa
Rain Today
0 mm
UV Index
3.2 Moderate
Hourly forecast
Now
8°C
10km/h
01:00
8°C
10km/h
02:00
8°C
9km/h
03:00
8°C
9km/h
04:00
7°C
10km/h
05:00
7°C
12km/h
06:00
8°C
15km/h
07:00
9°C
18km/h
08:00
11°C
18km/h
09:00
13°C
18km/h
10:00
15°C
16km/h
11:00
17°C
13km/h
12:00
18°C
14km/h
13:00
19°C
16km/h
14:00
19°C
15km/h
15:00
19°C
17km/h
16:00
18°C
30%
21km/h
17:00
16°C
71% 0.2mm
23km/h
18:00
10°C
100% 4mm
27km/h
19:00
10°C
100% 1.4mm
26km/h
20:00
9°C
100%
24km/h
21:00
9°C
88% 0.1mm
21km/h
22:00
8°C
61%
20km/h
23:00
8°C
26%
19km/h
Thu 30 Apr
00:00
8°C
20km/h
01:00
8°C
20km/h
02:00
8°C
19km/h
03:00
8°C
17km/h
04:00
8°C
14km/h
05:00
7°C
11km/h
06:00
6°C
10km/h
07:00
6°C
10km/h
08:00
6°C
9km/h
09:00
8°C
10km/h
10:00
10°C
9km/h
11:00
11°C
8km/h
12:00
12°C
6km/h
13:00
13°C
4km/h
14:00
13°C
2km/h
15:00
13°C
6km/h
16:00
12°C
8km/h
17:00
11°C
8km/h
18:00
9°C
8km/h
19:00
7°C
8km/h
20:00
7°C
8km/h
21:00
6°C
7km/h
22:00
5°C
9km/h
23:00
5°C
9km/h
7-day forecast for Dunedin
| Day | Conditions | Rain | Temp | Summary | |
|---|---|---|---|---|---|
| Today29 Apr | Moderate rain | 100%5.7mm | 19°C7°C | Moderate rain with a high of 19°C and low of 7°C. 100% chance of rain, up to 5.7mm. UV index 3.2 (moderate). | |
| Thu30 Apr | Clear sky | 0% | 13°C5°C | Clear sky with a high of 13°C and low of 5°C. No rain expected. UV index 3.1 (moderate). | |
| Fri1 May | Overcast | 0% | 14°C2°C | Overcast with a high of 14°C and low of 2°C. No rain expected. UV index 3 (moderate). | |
| Sat2 May | Overcast | 0% | 17°C4°C | Overcast with a high of 17°C and low of 4°C. No rain expected. UV index 2.7 (low). | |
| Sun3 May | Overcast | 0% | 14°C4°C | Overcast with a high of 14°C and low of 4°C. No rain expected. UV index 3 (moderate). | |
| Mon4 May | Overcast | 4% | 15°C5°C | Overcast with a high of 15°C and low of 5°C. 4% chance of rain. UV index 2.7 (low). | |
| Tue5 May | Dense drizzle | 15%6mm | 17°C6°C | Dense drizzle with a high of 17°C and low of 6°C. 15% chance of rain, up to 6mm. UV index 2.6 (low). |
Extended outlook — days 8 to 14
Extended forecasts beyond 7 days are less reliable and should be used as a general guide only.
| Day | Conditions | Rain | Temp | Summary | |
|---|---|---|---|---|---|
| Wed6 May | Dense drizzle | 37%1.2mm | 12°C7°C | Dense drizzle with a high of 12°C and low of 7°C. 37% chance of rain, up to 1.2mm. UV index 1.2 (low). | |
| Thu7 May | Overcast | 27% | 11°C4°C | Overcast with a high of 11°C and low of 4°C. 27% chance of rain. UV index 2.2 (low). | |
| Fri8 May | Overcast | 27% | 11°C6°C | Overcast with a high of 11°C and low of 6°C. 27% chance of rain. UV index 2.4 (low). | |
| Sat9 May | Light drizzle | 30%0.6mm | 8°C3°C | Light drizzle with a high of 8°C and low of 3°C. 30% chance of rain, up to 0.6mm. UV index 2.4 (low). | |
| Sun10 May | Light drizzle | 24%1.1mm | 8°C1°C | Light drizzle with a high of 8°C and low of 1°C. 24% chance of rain, up to 1.1mm. UV index 1.6 (low). | |
| Mon11 May | Light drizzle | 31%0.1mm | 12°C8°C | Light drizzle with a high of 12°C and low of 8°C. 31% chance of rain, up to 0.1mm. UV index 2.2 (low). | |
| Tue12 May | Overcast | 22% | 12°C6°C | Overcast with a high of 12°C and low of 6°C. 22% chance of rain. UV index 2.3 (low). |
Sun & Moon — Dunedin
Sunrise07:31
Sunset17:39
Daylight10h 8m
PhaseLast Quarter
Illumination54%
UV Index — Dunedin
3.2
Moderate
03681114
Some protection needed. Wear sunglasses on bright days.
Air Quality — Dunedin
10
Good
020406080100+
PM2.59.8 µg/m³
PM1010 µg/m³
US AQI20
Air quality is excellent. Enjoy outdoor activities freely.
Air quality data from Open-Meteo
Climate overview
Dunedin, located on the southeast coast of New Zealand's South Island, experiences a cool temperate climate classified as oceanic (Cfb) under the Köppen system. This classification is characterized by mild summers, cool but not severely cold winters, and consistent precipitation throughout the year, without a distinct dry season. The city's coastal position significantly moderates its temperatures, preventing the extremes often seen in more inland locations at similar latitudes.
The dominant geographical influence on Dunedin's climate is its proximity to the Pacific Ocean, which acts as a thermal regulator. The prevailing westerly winds, typical across New Zealand, often bring frontal systems and moisture from the Tasman Sea, contributing to the region's precipitation. However, Dunedin is somewhat sheltered by the Southern Alps to the west, which create a partial rain shadow effect for some inland areas of Otago, though this effect is less pronounced directly on the exposed coast.
Ocean currents also play a role, with cooler waters from the Southern Ocean influencing sea temperatures along the coast. Altitude variations within the Dunedin urban area, from sea level up into the surrounding hills, can lead to noticeable differences in temperature and frost risk, particularly on clear, calm nights. The city's latitude of approximately 45 degrees south means it experiences significant seasonal variations in daylight hours, impacting solar radiation and seasonal temperatures.
Compared to other oceanic climates globally, Dunedin shares similarities with cities like Dublin, Ireland, or Vancouver, Canada, in terms of its mild temperature range and year-round rainfall. However, its southerly latitude gives it a distinctly cooler character than many Northern Hemisphere counterparts, especially during summer. The city often experiences rapid weather changes due to its exposure to Southern Ocean weather systems, adding to its dynamic climate profile.
Another key factor is the Fohn effect, occasionally bringing warmer, drier conditions when strong northwesterly winds descend over the Southern Alps. However, more frequently, southerly airflows bring cold, unsettled weather, often associated with polar maritime air masses. These can lead to significant drops in temperature and even snow flurries, particularly in elevated areas, highlighting the unpredictable nature of Dunedin's weather.
Dunedin receives approximately 750-800mm (29.5-31.5 inches) annually, which is moderate compared to other parts of New Zealand of rainfall annually, with the wettest months from typically November to January, though rainfall is distributed fairly evenly throughout the year. Dunedin receives around 1600-1700 hours of bright sunshine annually, which is slightly below the national average for New Zealand. Daily averages typically range from 6-8 hours in summer, dropping to 3-4 hours in winter, with spring and autumn offering intermediate levels. The relatively lower sunshine hours compared to some other regions are due to frequent cloud cover associated with frontal systems. Despite this, UV levels can still be high, especially during summer due to New Zealand's clear atmospheric conditions, necessitating sun protection even on cloudy days to prevent sunburn during extended outdoor activities.
Dunedin's varied topography creates distinct microclimates across the city and surrounding areas. Coastal suburbs, particularly those directly exposed to the ocean, experience more moderate temperatures due to maritime influence, with less extreme heat or cold. Sheltered valleys and basins, however, can be prone to "frost hollows" on clear winter nights, where cold air pools, leading to lower temperatures and increased frost risk compared to higher ground.
The city centre, nestled within an ancient volcanic caldera, often benefits from some shelter, though it can also experience the urban heat island effect, particularly on warm, still days. Areas on the Otago Peninsula are more exposed to prevailing winds but also benefit from the ocean's moderating influence. Rain shadow effects can occur in parts of inland Otago, but for Dunedin itself, precipitation is generally consistent across the urban area, with slight variations due to elevation.
Monthly averages for Dunedin
Climate data sourced from NIWA CliFlo climate database for Dunedin (years 1981-2010). Summer temperatures range from generally 18°C to 22°C (64°F to 72°F), with occasional highs reaching into the mid-20s, while winter sits between ranging from 5°C to 12°C (41°F to 54°F), with colder nights dropping close to freezing.
| Month | Avg High | Avg Low | Rain (mm) | Rain Days |
|---|---|---|---|---|
| January | 18.9°C | 11.5°C | 71.3 | 11.2 |
| February | 18.6°C | 11.2°C | 63.6 | 9.2 |
| March | 17.2°C | 10°C | 66.7 | 10.5 |
| April | 14.9°C | 8°C | 66.7 | 10.3 |
| May | 12°C | 5.9°C | 73.1 | 11 |
| June | 9.9°C | 3.9°C | 73.8 | 11.8 |
| July | 9.3°C | 3.4°C | 69.1 | 10.8 |
| August | 10.7°C | 4.5°C | 71.6 | 11 |
| September | 12.8°C | 6.1°C | 65.1 | 10 |
| October | 14.7°C | 7.6°C | 70.3 | 11 |
| November | 16.2°C | 8.9°C | 68.6 | 10.6 |
| December | 17.8°C | 10.5°C | 74.9 | 11.8 |
Water temperature
The ocean temperatures around Dunedin are generally cool, reflecting its southerly latitude and exposure to the Southern Ocean. During summer, water temperatures typically range from 14-17°C (57-63°F), making short dips refreshing for hardy swimmers, though wetsuits are often preferred for extended periods in the water. As expected, beaches closer to the city and within the Otago Harbour may experience slightly warmer, shallower waters on sunny days.
In winter, water temperatures drop to between 9-12°C (48-54°F), which is too cold for comfortable swimming without appropriate thermal gear. These cooler waters support a rich marine ecosystem, including various species of penguins, seals, and sea lions that thrive in the cold environment. For surfing, wetsuits are essential year-round due to the consistently cool temperatures.
Summer water temperatures around Dunedin range from 14-17°C (57-63°F), cooling to 9-12°C (48-54°F) in winter.
Things to do this winter in Dunedin
Winter in Dunedin is cold, so essential packing includes warm, waterproof, and windproof outer layers, thermal underlayers, hats, gloves, and scarves. Footwear should be sturdy and waterproof. Driving can be challenging, particularly on higher roads or during southerly changes, with black ice and snow possible; always check road conditions before travel. Heating is essential in accommodation. While short daylight hours limit some activities, it's a great season for enjoying indoor cultural attractions and cozy dining experiences.
- Visit indoor attractions like the Settlers Museum and Toitū Otago Settlers Museum
- Enjoy the warmth of local cafes and restaurants
- Attend theatrical performances at the Regent Theatre
- Explore the vibrant street art in the central city
- Take a scenic drive to see potential snow on Flagstaff or Signal Hill
- Visit the Dunedin Public Art Gallery
- Participate in the Cadbury Chocolate Carnival (seasonal event)
- Go ice skating at the Dunedin Ice Stadium
Best time to visit Dunedin
The best time to visit Dunedin is generally from late spring through early autumn, specifically November to April, to enjoy the mildest temperatures and longest daylight hours. December to February are peak summer months, ideal for outdoor activities, beach visits at sheltered spots, and exploring the Otago Peninsula's wildlife. March and April (autumn) offer beautiful autumnal colours in the city's botanic gardens and parks, along with settled weather, making it excellent for hiking and sightseeing.
Shoulder seasons, like October and May, can also be rewarding for those seeking fewer crowds and slightly lower prices. While cooler, these months can still offer pleasant days for exploring. Winter (June to August) is characterised by colder temperatures and shorter days, but can be suitable for cultural attractions, cozy cafes, and potentially seeing snow in the surrounding hills. It is advisable to avoid winter if you are seeking extensive outdoor adventures or warm weather activities.
Weather radar — Dunedin
View live rain radar for Dunedin
Live radar imagery from the official weather service →
Weather warnings & safety
Dunedin faces several severe weather risks, though extreme events are less common than in some other parts of New Zealand. Strong southerly fronts can bring periods of heavy rain, especially during colder months, occasionally leading to surface flooding in low-lying areas or localized slips. While not experiencing tropical cyclones, the remnants of ex-tropical cyclones can sometimes bring heavy rain and strong winds to the region, particularly in late summer or early autumn.
Winter months carry a risk of snow, especially in the surrounding hills and higher parts of the urban area, which can disrupt transport and services. Frost is common on clear winter mornings, posing a hazard for drivers. Although bushfires are not a primary concern for the immediate city, dry periods, coupled with strong winds, can elevate the risk in rural and reserve areas. Heatwaves are infrequent, with prolonged periods of extreme temperatures being rare for the region.
Official warning sources: MetService Warnings (New Zealand) · MetService Dunedin Forecast · NZTA Road Conditions (Otago)
Latest weather news — Dunedin
Weather near Dunedin
Frequently asked questions about Dunedin weather
What is the weather in Dunedin right now?
Right now in Dunedin it is 7°C and overcast. Today's high is 19°C with a low of 7°C. Humidity is at 98%. Wind is N at 11 km/h.
What is the 14-day forecast for Dunedin?
Today (29 Apr): Moderate rain with a high of 19°C and low of 7°C. 100% chance of rain, up to 5.7mm. UV index 3.2 (moderate). Thu (30 Apr): Clear sky with a high of 13°C and low of 5°C. No rain expected. UV index 3.1 (moderate). Fri (1 May): Overcast with a high of 14°C and low of 2°C. No rain expected. UV index 3 (moderate). Sat (2 May): Overcast with a high of 17°C and low of 4°C. No rain expected. UV index 2.7 (low). Sun (3 May): Overcast with a high of 14°C and low of 4°C. No rain expected. UV index 3 (moderate). Mon (4 May): Overcast with a high of 15°C and low of 5°C. 4% chance of rain. UV index 2.7 (low). Tue (5 May): Dense drizzle with a high of 17°C and low of 6°C. 15% chance of rain, up to 6mm. UV index 2.6 (low). Wed (6 May): Dense drizzle with a high of 12°C and low of 7°C. 37% chance of rain, up to 1.2mm. UV index 1.2 (low). Thu (7 May): Overcast with a high of 11°C and low of 4°C. 27% chance of rain. UV index 2.2 (low). Fri (8 May): Overcast with a high of 11°C and low of 6°C. 27% chance of rain. UV index 2.4 (low). Sat (9 May): Light drizzle with a high of 8°C and low of 3°C. 30% chance of rain, up to 0.6mm. UV index 2.4 (low). Sun (10 May): Light drizzle with a high of 8°C and low of 1°C. 24% chance of rain, up to 1.1mm. UV index 1.6 (low). Mon (11 May): Light drizzle with a high of 12°C and low of 8°C. 31% chance of rain, up to 0.1mm. UV index 2.2 (low). Tue (12 May): Overcast with a high of 12°C and low of 6°C. 22% chance of rain. UV index 2.3 (low).
What is the air quality in Dunedin today?
The current air quality index in Dunedin is 10 (European AQI), rated "Good". Air quality is excellent. Enjoy outdoor activities freely. PM2.5 is 9.8 µg/m³. PM10 is 10 µg/m³.
What is the typical weather in Dunedin?
Dunedin experiences a cool temperate oceanic climate, characterised by mild summers, cool winters, and consistent rainfall throughout the year. Temperatures average around 18-22°C in summer and 5-12°C in winter. The city's coastal location moderates temperatures, preventing extreme heat or cold, though sudden weather changes are common due to its exposure to Southern Ocean systems.
What are the average wind speeds in Dunedin?
Dunedin can be quite windy, especially along the coast and on exposed hilltops. Prevailing winds are often from the west or southwest. Average wind speeds vary, but gusts can occasionally be strong, particularly during frontal passages. Wind forecasts are crucial for marine activities and exposed outdoor pursuits.
What is the UV index like in Dunedin?
The UV index in Dunedin can reach high or very high levels, particularly during summer (December-February), even on cloudy days. New Zealand generally experiences high UV radiation due to its clear atmospheric conditions. Sun protection, including sunscreen, hats, and sunglasses, is recommended whenever spending time outdoors, especially between 10 am and 4 pm.
How much does it rain in Dunedin?
Dunedin receives approximately 750-800mm of rainfall annually, distributed fairly evenly throughout the year, with no distinct dry season. While rain is common, prolonged heavy downpours are less frequent than short, intermittent showers. The wettest months tend to be from November to January, though monthly totals don't vary drastically.
What are today's sunrise and sunset times in Dunedin?
Sunrise and sunset times vary significantly throughout the year due to Dunedin's southerly latitude. In summer, daylight hours are long, with sunrise as early as 5:45 AM and sunset as late as 9:30 PM. In winter, days are much shorter, with sunrise around 8:30 AM and sunset by 5:00 PM. Check a current forecast for today's precise times.
What is the air quality in Dunedin?
Air quality in Dunedin is generally good to moderate. The European Air Quality Index (EAQI) is typically low, indicating healthy air. Occasional spikes in PM2.5 and PM10 particulate matter can occur during colder winter months, primarily due to domestic heating with solid fuels in sheltered areas. Real-time AQI information provides the most up-to-date assessment.
When is the best time to swim in Dunedin?
The best time to swim in Dunedin's ocean waters is during the summer months from December to February when water temperatures are mildest, ranging from 14-17°C. However, even then, a wetsuit is often preferred for comfort and extended periods in the water due to the consistently cool Southern Ocean temperatures. Sheltered beaches within the harbour may offer slightly warmer conditions.
Is Dunedin prone to severe weather?
Dunedin can experience periods of severe weather, including strong winds and heavy rainfall from southerly fronts, which can lead to localized flooding. Winter brings a risk of cold snaps, frost, and occasional snow, especially on higher ground. While not directly affected by tropical cyclones, their remnants can bring heavy rain and strong winds. Heatwaves are rare.
What should I wear when visiting Dunedin?
Due to Dunedin's changeable weather, layering is always recommended. Pack a waterproof and windproof jacket regardless of the season. In summer, light layers with warmer options for evenings are best. In winter, thermal clothing, hats, gloves, and sturdy, waterproof footwear are essential. Always carry sun protection year-round.
What are driving conditions like in Dunedin?
Driving conditions in Dunedin are generally good, but care is needed, especially during winter. Frost and black ice can be present on roads during cold mornings. Heavy rain can reduce visibility and, rarely, cause surface flooding. Snow can affect higher roads during winter cold snaps, so always check local road closures and weather warnings before travelling.
What is the moon phase in Dunedin today?
The moon phase in Dunedin changes daily as it cycles through its lunar phases. From New Moon, it progresses to Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Last Quarter, and Waning Crescent before returning to New Moon. A dedicated moon phase calendar for Dunedin will provide today's exact illumination and phase.
Where can I find a 14-day weather forecast for Dunedin?
A comprehensive 14-day weather forecast for Dunedin, including temperature, rainfall, wind, and UV index, can be found on this website's dedicated forecast pages. These longer-range forecasts provide detailed daily outlooks to help you plan activities and prepare for upcoming weather conditions and potential changes.
Are there any current weather warnings for Dunedin?
Current weather warnings for Dunedin are issued by New Zealand's official meteorological service, MetService. These warnings cover severe weather events such as heavy rain, strong winds, or snow. Always check the official MetService website or our severe weather section for the most up-to-date alerts and advisories to ensure safety.
What is the best time for outdoor activities in Dunedin?
Late spring (October-November) through early autumn (March-April) offers the most favourable weather for outdoor activities in Dunedin, with milder temperatures and longer daylight hours. Summer (December-February) is ideal for coastal walks and wildlife viewing, while autumn provides beautiful scenery for hiking. Winter is better suited for indoor pursuits, though clear days can still be pleasant for some outdoor adventures.
How does the urban heat island effect impact Dunedin's weather?
The urban heat island effect in Dunedin is generally moderate. The city centre, with its dense buildings and paved surfaces, can be slightly warmer than surrounding rural areas, particularly on calm, clear nights or warm, sunny days. However, given Dunedin's coastal and often breezy nature, this effect is less pronounced than in larger, more densely populated inland cities.