Nelson weather in January
January in Nelson: nice, a little rain, with clean air — one of the best months to visit.
#1 of 12 months in Nelson · #20 of 897 destinations to visit in January · comfort 94/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Nelson in January
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Nelson climate normals — January
| Daytime high | 23°C / 74°F | 😎 nice |
|---|---|---|
| Nighttime low | 15°C / 59°F | |
| Rainfall | 44 mm / 1.7 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 14°C / 58°F | |
| Sunshine | 12.3 h/day | |
| Daylight | 14.7 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 16 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Nelson in January — FAQ
- Is January a good time to visit Nelson?
- January in Nelson: nice, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Nelson on SeasonMap's comfort score (94/100).
- What is the weather like in Nelson in January?
- In January, Nelson averages a daily high of 23.2°C and a low of 14.9°C, with about 43.5 mm of rain over roughly 7.6 rainy days.
- What is the air quality in Nelson in January?
- Nelson has a mean US Air Quality Index of about 16 in January.