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Youkaichi, Japan climate
Cfa Humid subtropical
Youkaichi has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 33°C, while the coldest is January averaging around −1°C at night. Around 1441 mm of precipitation falls each year, peaking in July (182 mm) and easing off in December (72 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)Youkaichi climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 8 | 8 | 13 | 19 | 24 | 27 | 31 | 33 | 28 | 22 | 16 | 11 |
| Avg temp (°C) | 3 | 4 | 7 | 12 | 18 | 22 | 26 | 27 | 23 | 17 | 11 | 6 |
| Avg low (°C) | −1 | −1 | 2 | 7 | 12 | 17 | 22 | 22 | 19 | 12 | 6 | 1 |
| Precipitation (mm) | 78 | 82 | 106 | 103 | 131 | 181 | 182 | 123 | 167 | 142 | 74 | 72 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 8 | 8 | 13 | 19 | 24 | 27 |
| Avg temp (°C) | 3 | 4 | 7 | 12 | 18 | 22 |
| Avg low (°C) | −1 | −1 | 2 | 7 | 12 | 17 |
| Precipitation (mm) | 78 | 82 | 106 | 103 | 131 | 181 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 33 | 28 | 22 | 16 | 11 |
| Avg temp (°C) | 26 | 27 | 23 | 17 | 11 | 6 |
| Avg low (°C) | 22 | 22 | 19 | 12 | 6 | 1 |
| Precipitation (mm) | 182 | 123 | 167 | 142 | 74 | 72 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 72 | 69 | 66 | 69 | 80 | 77 | 66 | 71 | 66 | 67 | 72 |
| Relative humidity (%) | 87 | 84 | 82 | 81 | 82 | 85 | 87 | 86 | 87 | 86 | 86 | 87 |
| Wind speed (mph) | 6.4 | 6.6 | 6.8 | 6.3 | 5.6 | 5.0 | 4.7 | 4.6 | 5.0 | 5.0 | 5.1 | 5.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 72 | 69 | 66 | 69 | 80 |
| Relative humidity (%) | 87 | 84 | 82 | 81 | 82 | 85 |
| Wind speed (mph) | 6.4 | 6.6 | 6.8 | 6.3 | 5.6 | 5.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 77 | 66 | 71 | 66 | 67 | 72 |
| Relative humidity (%) | 87 | 86 | 87 | 86 | 86 | 87 |
| Wind speed (mph) | 4.7 | 4.6 | 5.0 | 5.0 | 5.1 | 5.9 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Higashiomi, about 6 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.