Wellington weather in August
August in Wellington: cold, rainy, with clean air — a great time to visit.
#10 of 12 months in Wellington · #379 of 604 destinations to visit in August · comfort 74/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Wellington climate normals — August
| Daytime high | 12°C / 54°F | 🧥 cold |
|---|---|---|
| Nighttime low | 9°C / 49°F | |
| Feels like (high) | 9°C / 48°F | |
| Rainfall | 82 mm / 3.2 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 7°C / 44°F | |
| Sunshine | 8.1 h/day | |
| Daylight | 10.5 h | |
| Wind | 29 km/h / 18 mph | |
| Air quality (US AQI) | 28 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Wellington in August — FAQ
- Is August a good time to visit Wellington?
- August in Wellington: cold, rainy, with clean air — a great time to visit. It ranks #10 of 12 months for Wellington on SeasonMap's comfort score (74/100).
- What is the weather like in Wellington in August?
- In August, Wellington averages a daily high of 12.1°C and a low of 9.4°C, with about 81.7 mm of rain over roughly 12.2 rainy days.
- What is the air quality in Wellington in August?
- Wellington has a mean US Air Quality Index of about 28 in August.