- Temperature
- -13 to 25°C
Updated July 2026 · Sources cited: weather-and-climate.com, weatherspark.com
Good to know
Good to Know
- Niseko receives 10–15 metres of snow annually, making it one of the world's snowiest ski regions. This abundance is due to Siberian cold fronts picking up moisture from the Sea of Japan.
- Winter peak season (late December–early February) fills rapidly; book accommodation 6+ months ahead if visiting during holidays or Chinese New Year.
- August is the wettest month at 181 mm of rain; June is the driest (69 mm).
- Ski season typically runs late November/early December through early May, with night skiing available mid-December to late March.
- Temperature swings are dramatic: winter lows reach -13°C (9°F); summer highs reach 25°C (77°F). Annual average is 6–7°C (45°F).
- Spring (April–May) and autumn (September–October) are shoulder seasons with moderate weather and significant tourism drop-off, making them budget-friendly.
Overview
Niseko experiences a moderately continental climate with extreme seasonal variation, characterized by heavy winter snowfall and pleasant but wet summers.
Best Months
January–February for powder skiers; March for value + snow + sunshine balance; June for dry-weather hikers and budget travellers
Peak Season
- Months
- December–February (winter ski season)
- Snowfall
- 10–15 metres (33–49 feet) annually; heaviest December–February
- Rainfall Mm
- Minimal rain; mostly snow
- Description
- Peak powder and ski conditions with deep, dry snow driven by Siberian weather systems. Busiest and most expensive period, especially late December–early January and around Chinese New Year (mid-February 2026).
Temperature Range
- Low Celsius
- -13
- High Celsius
- -5
- Low Fahrenheit
- 9
- High Fahrenheit
- 23
Worst Months
August (peak rainfall, humidity, and rainy season dominates) and early January (busiest period, premium prices, crowded slopes)
Off Peak Season
- Months
- June–August (summer)
- Rainfall Mm
- 69–181 mm per month; August wettest at 181 mm
- Description
- Warm, green summer season with significantly fewer tourists. Relatively affordable accommodation. June is driest month.
Temperature Range
- Low Celsius
- 17
- High Celsius
- 25
- Low Fahrenheit
- 63
- High Fahrenheit
- 77
Shoulder Seasons
Spring (April–May)
- Rainfall Mm
- 70–77 mm per month
- Description
- Mild transition; April still has some skiing (spring conditions) with low crowds and prices. May sees complete snow melt.
Temperature Range
- Low Celsius
- 1
- High Celsius
- 16
- Low Fahrenheit
- 34
- High Fahrenheit
- 60
Autumn (September–October)
- Rainfall Mm
- Moderate; 9–16 rainy days per month
- Description
- Pleasant weather, lower tourism. First early snowfall may occur in late October/November.
Temperature Range
- Low Celsius
- 3
- High Celsius
- 18
- Low Fahrenheit
- 37
- High Fahrenheit
- 64
Early December
- Snowfall
- Building base; first season opens late November
- Description
- Shoulder season—less crowded than mid-December onwards, more affordable, excellent early-season powder.
Temperature Range
- High Celsius
- 2
- High Fahrenheit
- 36
March
- Snowfall
- Still significant; increasing sunshine
- Description
- Insiders' favourite—deeper snowpack, fewer crowds, more bluebird days. Prices drop sharply post-peak season.
Temperature Range
- Low Celsius
- -8
- High Celsius
- -1
- Low Fahrenheit
- 18
- High Fahrenheit
- 30
AI-generated estimateData refreshed July 2026
Sources cited for this category
These are the sources cited in this climate & weather research for this city. Individual figures may not each trace to one of them.
- 1.weather-and-climate.com
- 2.weather-and-climate.com
- 3.weatherspark.com
- 4.traveloka.com
- 5.en.climate-data.org
- 6.weather-and-climate.com
- 7.weather-and-climate.com
- 8.en.wikipedia.org
- 9.sunheron.com
- 10.niseko.ne.jp
- 11.skijapan.com
- 12.niseko.ne.jp
- 13.snoprojapan.com
- 14.powderhounds.com
- 15.villa-finder.com
- 16.ministryofvillas.com
- 17.championtraveler.com
- 18.ramatniseko.com
More About Niseko
Data last updated July 2026 · Verify anything important.