Yasu, Japan climate
Cfa Humid subtropical
Yasu has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 91°F, while the coldest is January averaging around 33°F at night. Around 62 inches of precipitation falls each year, peaking in June (8.6 inches) and easing off in January (2.2 inches).
☀️
Summers
Hot
Highs near 91°F in August.
❄️
Winters
Chilly
Lows near 33°F in January.
🌧️
Rain
Very wet
About 62 in of rain a year.
Wettest in June
⛅
Sky & trend
Often cloudy
Cloudy skies much of the year.
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)Yasu climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 46 | 47 | 55 | 65 | 75 | 80 | 88 | 91 | 83 | 72 | 61 | 51 |
| Avg temp (°F) | 39 | 40 | 46 | 56 | 65 | 72 | 79 | 81 | 74 | 63 | 53 | 44 |
| Avg low (°F) | 33 | 33 | 38 | 46 | 56 | 65 | 73 | 74 | 67 | 56 | 45 | 37 |
| Precipitation (in) | 2.2 | 2.7 | 4.6 | 4.9 | 6.2 | 8.6 | 8.3 | 6.3 | 6.8 | 5.9 | 3.1 | 2.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 46 | 47 | 55 | 65 | 75 | 80 |
| Avg temp (°F) | 39 | 40 | 46 | 56 | 65 | 72 |
| Avg low (°F) | 33 | 33 | 38 | 46 | 56 | 65 |
| Precipitation (in) | 2.2 | 2.7 | 4.6 | 4.9 | 6.2 | 8.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 88 | 91 | 83 | 72 | 61 | 51 |
| Avg temp (°F) | 79 | 81 | 74 | 63 | 53 | 44 |
| Avg low (°F) | 73 | 74 | 67 | 56 | 45 | 37 |
| Precipitation (in) | 8.3 | 6.3 | 6.8 | 5.9 | 3.1 | 2.4 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 72 | 69 | 67 | 65 | 69 | 80 | 74 | 63 | 70 | 66 | 66 | 69 |
| Relative humidity (%) | 85 | 83 | 81 | 79 | 81 | 84 | 86 | 84 | 85 | 84 | 84 | 85 |
| Wind speed (mph) | 6.3 | 6.6 | 6.7 | 6.0 | 5.2 | 4.6 | 4.5 | 4.4 | 4.9 | 5.1 | 5.1 | 5.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 72 | 69 | 67 | 65 | 69 | 80 |
| Relative humidity (%) | 85 | 83 | 81 | 79 | 81 | 84 |
| Wind speed (mph) | 6.3 | 6.6 | 6.7 | 6.0 | 5.2 | 4.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 74 | 63 | 70 | 66 | 66 | 69 |
| Relative humidity (%) | 86 | 84 | 85 | 84 | 84 | 85 |
| Wind speed (mph) | 4.5 | 4.4 | 4.9 | 5.1 | 5.1 | 5.7 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Otsu, about 15 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.