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Hokuto, Japan climate
Cfa Humid subtropical
Hokuto has a seasonal cool-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 84°F, while the coldest is January averaging around 23°F at night. Precipitation totals about 45 inches a year and is strongly seasonal — September alone averages 6.7 inches while December barely receives 1.27 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)Hokuto climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 40 | 43 | 50 | 61 | 69 | 74 | 81 | 84 | 76 | 65 | 56 | 46 |
| Avg temp (°F) | 32 | 33 | 40 | 50 | 59 | 65 | 72 | 74 | 66 | 56 | 46 | 37 |
| Avg low (°F) | 23 | 24 | 30 | 39 | 49 | 58 | 65 | 66 | 59 | 48 | 37 | 28 |
| Precipitation (in) | 1.6 | 1.7 | 3.0 | 3.2 | 3.8 | 5.3 | 6.1 | 5.0 | 6.7 | 5.5 | 1.9 | 1.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 40 | 43 | 50 | 61 | 69 | 74 |
| Avg temp (°F) | 32 | 33 | 40 | 50 | 59 | 65 |
| Avg low (°F) | 23 | 24 | 30 | 39 | 49 | 58 |
| Precipitation (in) | 1.6 | 1.7 | 3.0 | 3.2 | 3.8 | 5.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 81 | 84 | 76 | 65 | 56 | 46 |
| Avg temp (°F) | 72 | 74 | 66 | 56 | 46 | 37 |
| Avg low (°F) | 65 | 66 | 59 | 48 | 37 | 28 |
| Precipitation (in) | 6.1 | 5.0 | 6.7 | 5.5 | 1.9 | 1.3 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 50 | 55 | 62 | 66 | 72 | 83 | 78 | 69 | 73 | 67 | 55 | 49 |
| Relative humidity (%) | 88 | 85 | 80 | 76 | 75 | 80 | 83 | 82 | 84 | 85 | 85 | 86 |
| Wind speed (mph) | 5.6 | 5.8 | 5.7 | 5.3 | 4.4 | 3.6 | 3.7 | 3.2 | 3.4 | 3.6 | 4.3 | 5.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 50 | 55 | 62 | 66 | 72 | 83 |
| Relative humidity (%) | 88 | 85 | 80 | 76 | 75 | 80 |
| Wind speed (mph) | 5.6 | 5.8 | 5.7 | 5.3 | 4.4 | 3.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 78 | 69 | 73 | 67 | 55 | 49 |
| Relative humidity (%) | 83 | 82 | 84 | 85 | 85 | 86 |
| Wind speed (mph) | 3.7 | 3.2 | 3.4 | 3.6 | 4.3 | 5.3 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Oizumi, about 3 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.