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Shimotsuke, Japan climate
Cfa Humid subtropical
Shimotsuke has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 88°F, while the coldest is January averaging around 23°F at night. Precipitation totals about 52 inches a year and is strongly seasonal — September alone averages 7.2 inches while January barely receives 1.37 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)Shimotsuke climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 47 | 49 | 56 | 65 | 73 | 78 | 85 | 88 | 81 | 71 | 61 | 51 |
| Avg temp (°F) | 35 | 37 | 44 | 53 | 63 | 69 | 76 | 78 | 71 | 61 | 49 | 39 |
| Avg low (°F) | 23 | 26 | 32 | 42 | 53 | 62 | 69 | 71 | 64 | 52 | 38 | 28 |
| Precipitation (in) | 1.4 | 1.5 | 3.2 | 4.3 | 5.3 | 5.8 | 7.2 | 5.6 | 7.2 | 6.0 | 2.6 | 1.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 47 | 49 | 56 | 65 | 73 | 78 |
| Avg temp (°F) | 35 | 37 | 44 | 53 | 63 | 69 |
| Avg low (°F) | 23 | 26 | 32 | 42 | 53 | 62 |
| Precipitation (in) | 1.4 | 1.5 | 3.2 | 4.3 | 5.3 | 5.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 85 | 88 | 81 | 71 | 61 | 51 |
| Avg temp (°F) | 76 | 78 | 71 | 61 | 49 | 39 |
| Avg low (°F) | 69 | 71 | 64 | 52 | 38 | 28 |
| Precipitation (in) | 7.2 | 5.6 | 7.2 | 6.0 | 2.6 | 1.6 |
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 (mph) | 3.0 | 3.3 | 3.5 | 3.6 | 3.1 | 2.8 | 2.6 | 2.5 | 2.7 | 2.6 | 2.5 | 2.7 |
| 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 (mph) | 3.0 | 3.3 | 3.5 | 3.6 | 3.1 | 2.8 |
| 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 (mph) | 2.6 | 2.5 | 2.7 | 2.6 | 2.5 | 2.7 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Mooka, about 13 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.