Nelson weather in August
August in Nelson: cool, rainy, with clean air — a great time to visit.
#10 of 12 months in Nelson · #634 of 897 destinations to visit in August · comfort 71/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Nelson in August
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Nelson climate normals — August
| Daytime high | 13°C / 55°F | 🙂 cool |
|---|---|---|
| Nighttime low | 6°C / 43°F | |
| Rainfall | 146 mm / 5.7 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 6°C / 43°F | |
| Sunshine | 8.2 h/day | |
| Daylight | 10.5 h | |
| Wind | 16 km/h / 10 mph | |
| Snowfall | 0.3 cm / 0.1 in | |
| Air quality (US AQI) | 20 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Nelson in August — FAQ
- Is August a good time to visit Nelson?
- August in Nelson: cool, rainy, with clean air — a great time to visit. It ranks #10 of 12 months for Nelson on SeasonMap's comfort score (71/100).
- What is the weather like in Nelson in August?
- In August, Nelson averages a daily high of 12.8°C and a low of 6.1°C, with about 145.9 mm of rain over roughly 12.4 rainy days.
- What is the air quality in Nelson in August?
- Nelson has a mean US Air Quality Index of about 20 in August.