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Asahikawa, Japan climate
Dfb Warm-summer humid continental
Asahikawa has a strongly seasonal cold-temperate climate (Warm-summer humid continental, Köppen Dfb). The hottest month is August with an average daily high near 27°C, while the coldest is January averaging around −12°C at night. Around 1104 mm of precipitation falls each year, peaking in August (153 mm) and easing off in April (48 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)Asahikawa climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | −3 | −2 | 3 | 11 | 19 | 23 | 26 | 27 | 22 | 15 | 6 | −1 |
| Avg temp (°C) | −7 | −6 | −1 | 6 | 12 | 17 | 21 | 21 | 16 | 9 | 2 | −4 |
| Avg low (°C) | −12 | −12 | −6 | 0 | 6 | 12 | 16 | 17 | 12 | 4 | −2 | −8 |
| Precipitation (mm) | 67 | 55 | 55 | 48 | 67 | 71 | 129 | 153 | 136 | 106 | 115 | 102 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | −3 | −2 | 3 | 11 | 19 | 23 |
| Avg temp (°C) | −7 | −6 | −1 | 6 | 12 | 17 |
| Avg low (°C) | −12 | −12 | −6 | 0 | 6 | 12 |
| Precipitation (mm) | 67 | 55 | 55 | 48 | 67 | 71 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 27 | 22 | 15 | 6 | −1 |
| Avg temp (°C) | 21 | 21 | 16 | 9 | 2 | −4 |
| Avg low (°C) | 16 | 17 | 12 | 4 | −2 | −8 |
| Precipitation (mm) | 129 | 153 | 136 | 106 | 115 | 102 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 69 | 68 | 69 | 70 | 71 | 73 | 76 | 74 | 72 | 71 | 78 | 74 |
| Relative humidity (%) | 98 | 96 | 93 | 83 | 79 | 81 | 83 | 83 | 83 | 85 | 90 | 96 |
| Wind speed (mph) | 3.8 | 5.0 | 5.2 | 4.0 | 2.7 | 1.7 | 1.7 | 1.7 | 2.0 | 2.2 | 2.6 | 3.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 69 | 68 | 69 | 70 | 71 | 73 |
| Relative humidity (%) | 98 | 96 | 93 | 83 | 79 | 81 |
| Wind speed (mph) | 3.8 | 5.0 | 5.2 | 4.0 | 2.7 | 1.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 76 | 74 | 72 | 71 | 78 | 74 |
| Relative humidity (%) | 83 | 83 | 83 | 85 | 90 | 96 |
| Wind speed (mph) | 1.7 | 1.7 | 2.0 | 2.2 | 2.6 | 3.0 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Asahikawa, about 2 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.