Niseko weather in June
June in Niseko: nice, rainy, with clean air — not the best time to visit.
#9 of 12 months in Niseko · #889 of 897 destinations to visit in June · comfort 24/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
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Niseko climate normals — June
| Daytime high | 21°C / 70°F | 😎 nice |
|---|---|---|
| Nighttime low | 13°C / 56°F | |
| Rainfall | 112 mm / 4.4 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 14°C / 58°F | |
| Sunshine | 10.2 h/day | |
| Daylight | 15.3 h | |
| Wind | 12 km/h / 8 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 June — FAQ
- Is June a good time to visit Niseko?
- June in Niseko: nice, rainy, with clean air — not the best time to visit. It ranks #9 of 12 months for Niseko on SeasonMap's comfort score (24/100).
- What is the weather like in Niseko in June?
- In June, Niseko averages a daily high of 21.1°C and a low of 13.3°C, with about 111.5 mm of rain over roughly 12.6 rainy days.
- What is the air quality in Niseko in June?
- Niseko has a mean US Air Quality Index of about 40 in June.