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Utsunomiya, Japan climate
Cfa Humid subtropical
Utsunomiya has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 31°C, while the coldest is January averaging around −5°C at night. Precipitation totals about 1310 mm a year and is strongly seasonal — September alone averages 184 mm while January barely receives 35 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)Utsunomiya climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 9 | 10 | 13 | 19 | 23 | 26 | 29 | 31 | 27 | 21 | 16 | 11 |
| Avg temp (°C) | 2 | 3 | 7 | 12 | 17 | 21 | 24 | 26 | 22 | 16 | 10 | 4 |
| Avg low (°C) | −5 | −4 | 0 | 6 | 12 | 17 | 21 | 22 | 18 | 11 | 4 | −2 |
| Precipitation (mm) | 35 | 37 | 80 | 110 | 134 | 147 | 183 | 141 | 184 | 152 | 67 | 39 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 9 | 10 | 13 | 19 | 23 | 26 |
| Avg temp (°C) | 2 | 3 | 7 | 12 | 17 | 21 |
| Avg low (°C) | −5 | −4 | 0 | 6 | 12 | 17 |
| Precipitation (mm) | 35 | 37 | 80 | 110 | 134 | 147 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 31 | 27 | 21 | 16 | 11 |
| Avg temp (°C) | 24 | 26 | 22 | 16 | 10 | 4 |
| Avg low (°C) | 21 | 22 | 18 | 11 | 4 | −2 |
| Precipitation (mm) | 183 | 141 | 184 | 152 | 67 | 39 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 50 | 55 | 60 | 65 | 71 | 82 | 81 | 72 | 75 | 68 | 55 | 49 |
| Relative humidity (%) | 77 | 76 | 75 | 76 | 77 | 81 | 83 | 82 | 84 | 83 | 81 | 79 |
| Wind speed (km/h) | 4.8 | 5.4 | 5.7 | 5.7 | 5.0 | 4.4 | 4.2 | 4.1 | 4.4 | 4.2 | 4.0 | 4.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 50 | 55 | 60 | 65 | 71 | 82 |
| Relative humidity (%) | 77 | 76 | 75 | 76 | 77 | 81 |
| Wind speed (km/h) | 4.8 | 5.4 | 5.7 | 5.7 | 5.0 | 4.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 81 | 72 | 75 | 68 | 55 | 49 |
| Relative humidity (%) | 83 | 82 | 84 | 83 | 81 | 79 |
| Wind speed (km/h) | 4.2 | 4.1 | 4.4 | 4.2 | 4.0 | 4.3 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Mooka, about 14 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.