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Otofuke, Japan climate
Dfb Warm-summer humid continental
Otofuke has a strongly seasonal cold-temperate climate (Warm-summer humid continental, Köppen Dfb). The hottest month is August with an average daily high near 77°F, while the coldest is January averaging around 4°F at night. Precipitation totals about 33 inches a year and is strongly seasonal — August alone averages 5.9 inches while February barely receives 0.78 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)Otofuke climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 28 | 30 | 38 | 52 | 63 | 69 | 75 | 77 | 71 | 59 | 46 | 32 |
| Avg temp (°F) | 17 | 19 | 29 | 41 | 52 | 58 | 65 | 67 | 61 | 49 | 37 | 24 |
| Avg low (°F) | 4 | 5 | 18 | 30 | 40 | 49 | 57 | 60 | 52 | 38 | 28 | 13 |
| Precipitation (in) | 1.1 | 0.8 | 1.3 | 2.0 | 3.1 | 3.1 | 4.6 | 5.9 | 5.2 | 3.0 | 1.8 | 1.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 28 | 30 | 38 | 52 | 63 | 69 |
| Avg temp (°F) | 17 | 19 | 29 | 41 | 52 | 58 |
| Avg low (°F) | 4 | 5 | 18 | 30 | 40 | 49 |
| Precipitation (in) | 1.1 | 0.8 | 1.3 | 2.0 | 3.1 | 3.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 75 | 77 | 71 | 59 | 46 | 32 |
| Avg temp (°F) | 65 | 67 | 61 | 49 | 37 | 24 |
| Avg low (°F) | 57 | 60 | 52 | 38 | 28 | 13 |
| Precipitation (in) | 4.6 | 5.9 | 5.2 | 3.0 | 1.8 | 1.5 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 55 | 55 | 61 | 67 | 71 | 75 | 78 | 76 | 72 | 63 | 63 | 56 |
| Relative humidity (%) | 93 | 91 | 86 | 81 | 80 | 82 | 84 | 84 | 84 | 85 | 87 | 91 |
| Wind speed (mph) | 7.2 | 7.5 | 7.8 | 7.0 | 5.9 | 4.5 | 4.2 | 4.3 | 5.0 | 5.8 | 6.7 | 7.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 55 | 55 | 61 | 67 | 71 | 75 |
| Relative humidity (%) | 93 | 91 | 86 | 81 | 80 | 82 |
| Wind speed (mph) | 7.2 | 7.5 | 7.8 | 7.0 | 5.9 | 4.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 78 | 76 | 72 | 63 | 63 | 56 |
| Relative humidity (%) | 84 | 84 | 84 | 85 | 87 | 91 |
| Wind speed (mph) | 4.2 | 4.3 | 5.0 | 5.8 | 6.7 | 7.2 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Komaba, about 7 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.