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Kushiro, Japan climate
Dfb Warm-summer humid continental
Kushiro has a seasonal cold-temperate climate (Warm-summer humid continental, Köppen Dfb). The hottest month is August with an average daily high near 71°F, while the coldest is January averaging around 14°F at night. Precipitation totals about 43 inches a year and is strongly seasonal — September alone averages 6.0 inches while February barely receives 0.98 inches. Winters bring significant snowfall (50 inches of snow per year on average).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation split into rain and snow · 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)Kushiro climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 32 | 32 | 38 | 46 | 55 | 60 | 67 | 71 | 68 | 59 | 48 | 37 |
| Avg temp (°F) | 23 | 24 | 31 | 39 | 47 | 54 | 61 | 65 | 62 | 52 | 40 | 29 |
| Avg low (°F) | 14 | 15 | 24 | 33 | 42 | 49 | 56 | 60 | 55 | 43 | 31 | 19 |
| Precipitation (in) | 1.6 | 1.0 | 2.2 | 3.1 | 4.6 | 4.5 | 4.7 | 5.6 | 6.0 | 4.4 | 2.5 | 2.2 |
| Snowfall (in) | 12.6 | 10.6 | 12.2 | 2.8 | — | — | — | — | — | — | 1.6 | 10.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 32 | 32 | 38 | 46 | 55 | 60 |
| Avg temp (°F) | 23 | 24 | 31 | 39 | 47 | 54 |
| Avg low (°F) | 14 | 15 | 24 | 33 | 42 | 49 |
| Precipitation (in) | 1.6 | 1.0 | 2.2 | 3.1 | 4.6 | 4.5 |
| Snowfall (in) | 12.6 | 10.6 | 12.2 | 2.8 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 67 | 71 | 68 | 59 | 48 | 37 |
| Avg temp (°F) | 61 | 65 | 62 | 52 | 40 | 29 |
| Avg low (°F) | 56 | 60 | 55 | 43 | 31 | 19 |
| Precipitation (in) | 4.7 | 5.6 | 6.0 | 4.4 | 2.5 | 2.2 |
| Snowfall (in) | — | — | — | — | 1.6 | 10.2 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 56 | 59 | 62 | 71 | 75 | 81 | 84 | 80 | 72 | 58 | 56 | 55 |
| Relative humidity (%) | 87 | 86 | 82 | 82 | 85 | 88 | 89 | 88 | 86 | 83 | 82 | 84 |
| Wind speed (mph) | 9.6 | 9.8 | 9.9 | 8.5 | 7.5 | 6.1 | 5.7 | 6.2 | 7.2 | 8.5 | 9.4 | 9.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 56 | 59 | 62 | 71 | 75 | 81 |
| Relative humidity (%) | 87 | 86 | 82 | 82 | 85 | 88 |
| Wind speed (mph) | 9.6 | 9.8 | 9.9 | 8.5 | 7.5 | 6.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 84 | 80 | 72 | 58 | 56 | 55 |
| Relative humidity (%) | 89 | 88 | 86 | 83 | 82 | 84 |
| Wind speed (mph) | 5.7 | 6.2 | 7.2 | 8.5 | 9.4 | 9.8 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Kushiro, about 1 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.