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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 83°F, while the coldest is January averaging around 19°F at night. Around 55 inches of precipitation falls each year, peaking in July (7.7 inches) and easing off in November (2.7 inches).
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 (°F) | 35 | 37 | 45 | 59 | 69 | 75 | 81 | 83 | 75 | 64 | 53 | 41 |
| Avg temp (°F) | 27 | 28 | 35 | 46 | 57 | 64 | 71 | 72 | 65 | 53 | 42 | 32 |
| Avg low (°F) | 19 | 19 | 26 | 36 | 47 | 56 | 63 | 64 | 57 | 45 | 34 | 25 |
| Precipitation (in) | 3.3 | 3.1 | 3.9 | 3.9 | 4.4 | 6.3 | 7.7 | 5.4 | 6.5 | 5.1 | 2.7 | 3.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 35 | 37 | 45 | 59 | 69 | 75 |
| Avg temp (°F) | 27 | 28 | 35 | 46 | 57 | 64 |
| Avg low (°F) | 19 | 19 | 26 | 36 | 47 | 56 |
| Precipitation (in) | 3.3 | 3.1 | 3.9 | 3.9 | 4.4 | 6.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 81 | 83 | 75 | 64 | 53 | 41 |
| Avg temp (°F) | 71 | 72 | 65 | 53 | 42 | 32 |
| Avg low (°F) | 63 | 64 | 57 | 45 | 34 | 25 |
| Precipitation (in) | 7.7 | 5.4 | 6.5 | 5.1 | 2.7 | 3.1 |
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 (mph) | 5.4 | 5.8 | 5.7 | 4.9 | 4.0 | 3.1 | 3.0 | 2.8 | 3.0 | 3.3 | 3.8 | 4.8 |
| 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 (mph) | 5.4 | 5.8 | 5.7 | 4.9 | 4.0 | 3.1 |
| 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 (mph) | 3.0 | 2.8 | 3.0 | 3.3 | 3.8 | 4.8 |
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.