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Yao Weather by Month
Average temperatures, rainfall and humidity for Yao, Japan, month by month, built from OpenWeather’s historical records. Use it to see what a typical Yao month looks like before you travel — then check the live Yao forecast for the days ahead.
Warmest month
August
33°C average high
Coolest month
January
2°C average low
Wettest month
June
174 mm of rain
Driest month
January
61 mm of rain
Average temperature and rainfall in Yao by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 9°C | 2°C | -12°C / 17°C | 61 mm | 66% | 14 km/h |
| February | 10°C | 3°C | -10°C / 22°C | 74 mm | 67% | 14 km/h |
| March | 15°C | 6°C | -4°C / 28°C | 97 mm | 65% | 13 km/h |
| April | 20°C | 11°C | 2°C / 29°C | 126 mm | 65% | 12 km/h |
| May | 24°C | 16°C | 4°C / 32°C | 115 mm | 68% | 10 km/h |
| June | 27°C | 20°C | 9°C / 36°C | 174 mm | 75% | 10 km/h |
| July | 32°C | 25°C | 18°C / 40°C | 127 mm | 76% | 10 km/h |
| August | 33°C | 26°C | 18°C / 39°C | 125 mm | 73% | 11 km/h |
| September | 29°C | 22°C | 15°C / 37°C | 122 mm | 73% | 11 km/h |
| October | 23°C | 16°C | 4°C / 33°C | 105 mm | 69% | 12 km/h |
| November | 18°C | 10°C | -1°C / 27°C | 78 mm | 67% | 12 km/h |
| December | 12°C | 5°C | -6°C / 23°C | 72 mm | 65% | 14 km/h |
Best time to visit Yao
The most comfortable time to visit Yao is generally April to May and October, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around June, totalling about 1,278 mm a year.
Travellers who prefer heat should aim for August, when highs average 33°C. June is the month to avoid if rain would spoil your plans — it averages 174 mm, roughly 3× the rainfall of the driest month (January).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Yao forecast for what is happening now.