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Yoshinogawa, Japan climate
Cfa Humid subtropical
Yoshinogawa has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 90°F, while the coldest is January averaging around 33°F at night. Precipitation totals about 60 inches a year and is strongly seasonal — September alone averages 10.6 inches while January barely receives 1.86 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)Yoshinogawa climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 48 | 51 | 58 | 68 | 76 | 81 | 88 | 90 | 82 | 72 | 62 | 52 |
| Avg temp (°F) | 40 | 41 | 47 | 57 | 65 | 71 | 78 | 80 | 73 | 63 | 53 | 44 |
| Avg low (°F) | 33 | 34 | 38 | 47 | 56 | 64 | 72 | 73 | 66 | 56 | 45 | 37 |
| Precipitation (in) | 1.9 | 2.1 | 3.1 | 2.7 | 4.2 | 6.6 | 8.5 | 8.8 | 10.6 | 6.4 | 2.4 | 2.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 48 | 51 | 58 | 68 | 76 | 81 |
| Avg temp (°F) | 40 | 41 | 47 | 57 | 65 | 71 |
| Avg low (°F) | 33 | 34 | 38 | 47 | 56 | 64 |
| Precipitation (in) | 1.9 | 2.1 | 3.1 | 2.7 | 4.2 | 6.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 88 | 90 | 82 | 72 | 62 | 52 |
| Avg temp (°F) | 78 | 80 | 73 | 63 | 53 | 44 |
| Avg low (°F) | 72 | 73 | 66 | 56 | 45 | 37 |
| Precipitation (in) | 8.5 | 8.8 | 10.6 | 6.4 | 2.4 | 2.7 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 74 | 73 | 68 | 65 | 67 | 78 | 72 | 62 | 69 | 66 | 70 | 73 |
| Relative humidity (%) | 83 | 81 | 79 | 78 | 79 | 83 | 84 | 83 | 85 | 84 | 84 | 83 |
| Wind speed (mph) | 2.1 | 2.3 | 2.1 | 1.6 | 1.2 | 0.9 | 0.8 | 0.9 | 1.0 | 1.2 | 1.3 | 1.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 74 | 73 | 68 | 65 | 67 | 78 |
| Relative humidity (%) | 83 | 81 | 79 | 78 | 79 | 83 |
| Wind speed (mph) | 2.1 | 2.3 | 2.1 | 1.6 | 1.2 | 0.9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 72 | 62 | 69 | 66 | 70 | 73 |
| Relative humidity (%) | 84 | 83 | 85 | 84 | 84 | 83 |
| Wind speed (mph) | 0.8 | 0.9 | 1.0 | 1.2 | 1.3 | 1.7 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Anabuki, about 12 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.