Niseko weather in July
July in Niseko: warm, rainy, with clean air — one of the weakest months to visit.
#11 of 12 months in Niseko · #885 of 897 destinations to visit in July · comfort 17/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
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Niseko climate normals — July
| Daytime high | 25°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 18°C / 65°F | |
| Rainfall | 85 mm / 3.3 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 88% | 💦 very humid |
| Dew point | 20°C / 68°F | |
| Sunshine | 9.9 h/day | |
| Daylight | 15 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 40 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Niseko in July — FAQ
- Is July a good time to visit Niseko?
- July in Niseko: warm, rainy, with clean air — one of the weakest months to visit. It ranks #11 of 12 months for Niseko on SeasonMap's comfort score (17/100).
- What is the weather like in Niseko in July?
- In July, Niseko averages a daily high of 25.3°C and a low of 18.3°C, with about 84.7 mm of rain over roughly 12.2 rainy days.
- What is the air quality in Niseko in July?
- Niseko has a mean US Air Quality Index of about 40 in July.