Wellington, New Zealand Climate & Monthly Averages
The climate of Wellington
Located in New Zealand, Wellington experiences a oceanic climate with mild temperatures year-round with regular rainfall. Afternoon temperatures peak near 68°F (20°C) in January and dip to about 54°F (12°C) in July, with around 40.5 inches (1029 mm) of precipitation falling across the year.
Climate quick facts
- Hottest month: January - highs near 68°F (20°C)
- Coldest month: July - highs near 54°F (12°C)
- Record high: 79°F (26°C) · Record low: 36°F (2°C) (2015–2024)
- Wettest month: July (13 rainy days) · Sunniest: January (12.2 h sun/day)
- Climate type: oceanic - mild temperatures year-round with regular rainfall
Temperatures through the year
The warmest stretch of the year centers on January. Highs average 68°F (20°C) and overnight lows stay near 59°F (15°C). The coolest month is July, with typical highs of 54°F (12°C) and lows around 47°F (8°C). Based on 2015–2024 weather data, temperatures have reached as high as 79°F (26°C) and dropped as low as 36°F (2°C).
Rain, sun and snow
July is usually the wettest month. It brings about 4.2 inches (107 mm) of rain over 13 days, while January is the driest. January brings the most sunshine, averaging 12.2 hours of sun a day.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 68° | 59° | 7 | 1.6 in | 12.2 h/day | 78% |
| February | 67° | 60° | 8 | 3.2 in | 10.9 h/day | 78% |
| March | 65° | 57° | 10 | 2.9 in | 9.6 h/day | 78% |
| April | 62° | 55° | 10 | 3.7 in | 8.5 h/day | 79% |
| May | 59° | 52° | 12 | 3.8 in | 7.3 h/day | 78% |
| June | 55° | 49° | 11 | 4.0 in | 6.3 h/day | 79% |
| July | 54° | 47° | 13 | 4.2 in | 6.7 h/day | 78% |
| August | 54° | 48° | 14 | 4.0 in | 7.7 h/day | 79% |
| September | 55° | 49° | 13 | 3.6 in | 8.8 h/day | 78% |
| October | 58° | 51° | 12 | 2.9 in | 10.1 h/day | 79% |
| November | 61° | 54° | 11 | 3.4 in | 10.9 h/day | 79% |
| December | 64° | 57° | 11 | 3.1 in | 11.5 h/day | 80% |
Wellington month by month
Wellington weather in January
January brings highs around 68°F (20°C), lows near 59°F (15°C), about 7 wet days - typically the hottest month and the driest month and the sunniest month of the year in Wellington.
Wellington weather in February
February brings highs around 67°F (20°C), lows near 60°F (15°C), about 8 wet days.
Wellington weather in March
March brings highs around 65°F (18°C), lows near 57°F (14°C), about 10 wet days.
Wellington weather in April
April brings highs around 62°F (16°C), lows near 55°F (13°C), about 10 wet days.
Wellington weather in May
May brings highs around 59°F (15°C), lows near 52°F (11°C), about 12 wet days.
Wellington weather in June
June brings highs around 55°F (13°C), lows near 49°F (10°C), about 11 wet days.
Wellington weather in July
July brings highs around 54°F (12°C), lows near 47°F (8°C), about 13 wet days - typically the coldest month and the wettest month of the year in Wellington.
Wellington weather in August
August brings highs around 54°F (12°C), lows near 48°F (9°C), about 14 wet days.
Wellington weather in September
September brings highs around 55°F (13°C), lows near 49°F (9°C), about 13 wet days.
Wellington weather in October
October brings highs around 58°F (14°C), lows near 51°F (10°C), about 12 wet days.
Wellington weather in November
November brings highs around 61°F (16°C), lows near 54°F (12°C), about 11 wet days.
Wellington weather in December
December brings highs around 64°F (18°C), lows near 57°F (14°C), about 11 wet days.
Seasons in Wellington
Spring (September through November)
Spring in Wellington is crisp but comfortable, with daytime highs averaging 58°F (15°C) and nights around 51°F (11°C); expect showers on roughly 36 days across the season.
Summer (December through February)
Summer in Wellington is mild, with daytime highs averaging 66°F (19°C) and nights around 59°F (15°C); expect showers on roughly 25 days across the season.
Fall (March through May)
Fall in Wellington is crisp but comfortable, with daytime highs averaging 62°F (17°C) and nights around 55°F (13°C); expect showers on roughly 31 days across the season.
Winter (June through August)
Winter in Wellington stays on the cool side of mild, with daytime highs averaging 54°F (12°C) and nights around 48°F (9°C); expect showers on roughly 38 days across the season.
Climate questions, answered
What is the average temperature in Wellington?
Is Wellington hot in summer?
Is Wellington cold in winter?
How many rainy days does Wellington get in a year?
Best time to visit Wellington
The best time to visit Wellington is generally November to April, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window typically sit near 64°F (18°C).
Pack for Wellington with a warm jacket and layers for the cooler season; a compact umbrella or rain shell - showers are a regular feature. Evenings can feel noticeably cooler than afternoons - January nights average 59°F (15°C).
Wellington temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.