December · Japan
Best time to visit Rusutsu in December Weather, crowds & prices
Weather in Rusutsu in December
Average temperature -3°C, 116 mm of rain, about 0 days with 6+ hours of sunshine and 93% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
9.1/10
Ranked #3 of 12 months
- Avg temp
- -3°C
- Rainfall
- 116 mm
- Humidity
- 93%
- Days with 6h+ sun
- 0
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
December in Rusutsu scores 9.1/10 for snow and ski travel - one of the top 12-month picks (#3). Expect around -3°C, 116 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
Rusutsu serves deep Hokkaido powder across three peaks with quieter lift lines than nearby Niseko. Best window: the core winter snow season, with shoulder weeks for quieter slopes.
December in Rusutsu — one of the year's strongest windows (3rd)
At -3°C (27°F) this is proper winter weather in December: layer up and split the day between outdoor highlights and indoor stops.
116 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with almost no days with 6+ hours of sunshine and 8.9 hours of daylight.
On our climate-comfort scale this is one of the strongest months of the year for Rusutsu at 9.1/10 (3rd of 12), just behind January at 9.2/10.
Pack insulated layers, a windproof shell, gloves and boots with grip, a waterproof shell rather than an umbrella, goggles and a helmet if you are not renting.
Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Rusutsu in December?
- In December, Rusutsu averages -3°C, 116 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 9.1/10.
- Is December a good time to visit Rusutsu?
- December earns a 9.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Rusutsu in December?
- Expect about 116 mm of rain in December. Average humidity is 93% and there are about 0 days with 6+ hours of sunshine.
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