Wellington weather in January
January in Wellington: nice, a little rain, with clean air — one of the best months to visit.
#1 of 12 months in Wellington · #54 of 604 destinations to visit in January · comfort 88/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Wellington climate normals — January
| Daytime high | 19°C / 66°F | 😎 nice |
|---|---|---|
| Nighttime low | 16°C / 60°F | |
| Feels like (high) | 19°C / 66°F | |
| Rainfall | 38 mm / 1.5 in | 🌦 some rain |
| Rainy days | 6 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 14°C / 56°F | |
| Sunshine | 12.2 h/day | |
| Daylight | 14.7 h | |
| Wind | 28 km/h / 18 mph | |
| Air quality (US AQI) | 26 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Wellington in January — FAQ
- Is January a good time to visit Wellington?
- January in Wellington: nice, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Wellington on SeasonMap's comfort score (88/100).
- What is the weather like in Wellington in January?
- In January, Wellington averages a daily high of 18.7°C and a low of 15.6°C, with about 37.6 mm of rain over roughly 6 rainy days.
- What is the air quality in Wellington in January?
- Wellington has a mean US Air Quality Index of about 26 in January.