August · Japan
Best time to visit Niseko in August Weather, crowds & prices
Weather in Niseko in August
Average temperature 22°C, 198 mm of rain, about 15 days with 6+ hours of sunshine and 87% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
1.7/10
Ranked #9 of 12 months
- Avg temp
- 22°C
- Rainfall
- 198 mm
- Humidity
- 87%
- Days with 6h+ sun
- 15
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
August in Niseko scores 1.7/10 for snow and ski travel - ranked #9 of 12. Expect around 22°C, 198 mm of rain, and roughly 15 days with 6+ hours of sunshine this month.
Niseko is Hokkaido's powder capital, famous for deep dry snow on Mount Annupuri and onsen evenings in Hirafu. Best window: the core winter snow season, with shoulder weeks for quieter slopes.
August in Niseko: expect compromises
At 22°C (72°F), skiing in August is a morning proposition: groomers hold up early, while lower runs soften through the afternoon.
198 mm of rain signals a properly wet month, with only about 15 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 1.7/10 on the same scale — 9th of 12 months, versus 9.2/10 for the best month here.
Pack light clothing, a hat and real sun protection, a waterproof shell rather than an umbrella.
Budget for low-season pricing, and crowds are light for this destination.
If your dates are flexible, January is materially better in Niseko — 7.5 points higher on the same scale.
Frequently asked
- What is the weather like in Niseko in August?
- In August, Niseko averages 22°C, 198 mm of rain, and about 15 days with 6+ hours of sunshine. Its climate-comfort score is 1.7/10.
- Is August a good time to visit Niseko?
- August earns a 1.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Niseko in August?
- Expect about 198 mm of rain in August. Average humidity is 87% and there are about 15 days with 6+ hours of sunshine.
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