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Niseko, Japan climate
Dfb Warm-summer humid continental
Niseko has a seasonal cool-temperate climate (Warm-summer humid continental, Köppen Dfb). The hottest month is August with an average daily high near 26°C, while the coldest is January averaging around −7°C at night. Around 946 mm of precipitation falls each year, peaking in August (124 mm) and easing off in March (41 mm).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Niseko climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | −1 | 0 | 4 | 11 | 17 | 21 | 25 | 26 | 23 | 16 | 8 | 2 |
| Avg temp (°C) | −3 | −3 | 1 | 6 | 12 | 16 | 20 | 21 | 18 | 11 | 5 | −1 |
| Avg low (°C) | −7 | −7 | −3 | 2 | 7 | 12 | 16 | 17 | 13 | 7 | 1 | −4 |
| Precipitation (mm) | 56 | 41 | 41 | 48 | 61 | 52 | 96 | 124 | 119 | 113 | 110 | 84 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | −1 | 0 | 4 | 11 | 17 | 21 |
| Avg temp (°C) | −3 | −3 | 1 | 6 | 12 | 16 |
| Avg low (°C) | −7 | −7 | −3 | 2 | 7 | 12 |
| Precipitation (mm) | 56 | 41 | 41 | 48 | 61 | 52 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 25 | 26 | 23 | 16 | 8 | 2 |
| Avg temp (°C) | 20 | 21 | 18 | 11 | 5 | −1 |
| Avg low (°C) | 16 | 17 | 13 | 7 | 1 | −4 |
| Precipitation (mm) | 96 | 124 | 119 | 113 | 110 | 84 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 90 | 86 | 77 | 69 | 70 | 73 | 77 | 73 | 71 | 73 | 83 | 89 |
| Relative humidity (%) | 92 | 90 | 87 | 82 | 82 | 84 | 86 | 85 | 82 | 81 | 85 | 91 |
| Wind speed (km/h) | 11.0 | 12.3 | 10.6 | 7.5 | 4.9 | 3.5 | 3.3 | 3.9 | 5.1 | 6.2 | 7.6 | 9.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 90 | 86 | 77 | 69 | 70 | 73 |
| Relative humidity (%) | 92 | 90 | 87 | 82 | 82 | 84 |
| Wind speed (km/h) | 11.0 | 12.3 | 10.6 | 7.5 | 4.9 | 3.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 77 | 73 | 71 | 73 | 83 | 89 |
| Relative humidity (%) | 86 | 85 | 82 | 81 | 85 | 91 |
| Wind speed (km/h) | 3.3 | 3.9 | 5.1 | 6.2 | 7.6 | 9.4 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Kyowa, about 20 km from the city centre.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.