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Hakuba, Japan climate
Cfa Humid subtropical
Hakuba has a strongly seasonal cool-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 29°C, while the coldest is January averaging around −8°C at night. Around 1406 mm of precipitation falls each year, peaking in July (195 mm) and easing off in November (70 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)Hakuba climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 2 | 3 | 7 | 15 | 21 | 24 | 27 | 29 | 24 | 18 | 12 | 5 |
| Avg temp (°C) | −3 | −2 | 2 | 8 | 14 | 18 | 22 | 22 | 18 | 12 | 6 | 0 |
| Avg low (°C) | −8 | −7 | −3 | 2 | 8 | 13 | 17 | 18 | 14 | 7 | 1 | −4 |
| Precipitation (mm) | 85 | 78 | 100 | 98 | 112 | 159 | 195 | 136 | 165 | 129 | 70 | 79 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 2 | 3 | 7 | 15 | 21 | 24 |
| Avg temp (°C) | −3 | −2 | 2 | 8 | 14 | 18 |
| Avg low (°C) | −8 | −7 | −3 | 2 | 8 | 13 |
| Precipitation (mm) | 85 | 78 | 100 | 98 | 112 | 159 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 27 | 29 | 24 | 18 | 12 | 5 |
| Avg temp (°C) | 22 | 22 | 18 | 12 | 6 | 0 |
| Avg low (°C) | 17 | 18 | 14 | 7 | 1 | −4 |
| Precipitation (mm) | 195 | 136 | 165 | 129 | 70 | 79 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 78 | 75 | 73 | 69 | 71 | 80 | 79 | 70 | 76 | 71 | 72 | 77 |
| Relative humidity (%) | 90 | 87 | 82 | 76 | 75 | 79 | 81 | 81 | 83 | 84 | 85 | 88 |
| Wind speed (m/s) | 2.4 | 2.6 | 2.5 | 2.2 | 1.8 | 1.4 | 1.4 | 1.3 | 1.4 | 1.5 | 1.7 | 2.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 78 | 75 | 73 | 69 | 71 | 80 |
| Relative humidity (%) | 90 | 87 | 82 | 76 | 75 | 79 |
| Wind speed (m/s) | 2.4 | 2.6 | 2.5 | 2.2 | 1.8 | 1.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 79 | 70 | 76 | 71 | 72 | 77 |
| Relative humidity (%) | 81 | 81 | 83 | 84 | 85 | 88 |
| Wind speed (m/s) | 1.4 | 1.3 | 1.4 | 1.5 | 1.7 | 2.1 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Omachi, 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.