Climate in Wellington — Annual Weather Overview
Wellington has a oceanic climate — mild temperatures year-round with regular rainfall. The hottest month is February (average high 19.5°C) and the coolest is August (12.2°C). Temperatures are consistent year-round, with highs ranging only 7.3°C between the warmest and coolest months. Annual rainfall totals around 1110mm. June is the wettest month at 130.9mm, while January averages just 35.6mm. Average daily sunshine is 8.8 hours.
**Spring (September, October, November):** average highs 14.8°C, 253mm rain. **Summer (December, January, February):** average highs 19.0°C, 230mm rain. **Autumn (March, April, May):** average highs 16.7°C, 265mm rain. **Winter (June, July, August):** average highs 12.7°C, 362mm rain.
Wellington — Monthly Temperatures
Wellington — Monthly Rainfall
✅ Best months to visit
All year
ℹ️ No months to avoid
Weather in Wellington stays reasonable all year.
Wellington weather by month
| Month | High | Low | Rain | Sun/day | Rainy days | Rating |
|---|---|---|---|---|---|---|
| January | 19.4°C | 14.8°C | 35.6mm | 12.1h | 7 | 10/10 |
| February | 19.5°C | 15.1°C | 108.4mm | 10.0h | 10 | 9/10 |
| March | 18.1°C | 13.8°C | 89.4mm | 9.7h | 10 | 10/10 |
| April | 16.8°C | 12.7°C | 64.3mm | 8.8h | 9 | 10/10 |
| May | 15.3°C | 11.6°C | 110.9mm | 6.8h | 11 | 9/10 |
| June | 13.5°C | 10.0°C | 130.9mm | 5.8h | 13 | 9/10 |
| July | 12.3°C | 8.2°C | 119.3mm | 6.6h | 13 | 9/10 |
| August | 12.2°C | 8.6°C | 112.1mm | 7.6h | 12 | 9/10 |
| September | 13.3°C | 9.4°C | 92.8mm | 8.5h | 12 | 10/10 |
| October | 14.6°C | 10.4°C | 60.4mm | 9.6h | 11 | 10/10 |
| November | 16.5°C | 12.3°C | 99.7mm | 10.1h | 13 | 10/10 |
| December | 18.1°C | 13.7°C | 86.5mm | 10.5h | 11 | 10/10 |
For the full verdict on when to go, see the best time to visit Wellington. Seasonal breakdowns: spring, summer, autumn and winter.
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Frequently Asked Questions
What type of climate does Wellington have?
Wellington has a oceanic climate — mild temperatures year-round with regular rainfall. Average highs range from 12.2°C in August to 19.5°C in February.
What is the hottest month in Wellington?
February is the hottest month in Wellington, with average highs of 19.5°C and lows of 15.1°C.
What is the coldest month in Wellington?
August is the coolest month, with average highs of 12.2°C and lows of 8.2°C.
What is the wettest month in Wellington?
June is the wettest month, averaging 130.9mm of rainfall over around 13 rainy days.
How much rain does Wellington get per year?
Wellington receives around 1110mm of rain per year. The driest month is January (35.6mm).
When is the best time to visit Wellington?
The best time to visit Wellington is All year. See the full month-by-month guide →
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Trip essentials for Wellington
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.