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Izuo Weather by Month
Average temperatures, rainfall and humidity for Izuo, Japan, month by month, built from OpenWeather’s historical records. Use it to see what a typical Izuo month looks like before you travel — then check the live Izuo forecast for the days ahead.
Warmest month
August
33°C average high
Coolest month
January
3°C average low
Wettest month
June
174 mm of rain
Driest month
January
62 mm of rain
Average temperature and rainfall in Izuo 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 | 3°C | -10°C / 19°C | 62 mm | 67% | 19 km/h |
| February | 10°C | 3°C | -10°C / 20°C | 73 mm | 68% | 17 km/h |
| March | 14°C | 6°C | -7°C / 25°C | 100 mm | 68% | 16 km/h |
| April | 19°C | 11°C | -1°C / 28°C | 135 mm | 69% | 15 km/h |
| May | 23°C | 15°C | 2°C / 31°C | 104 mm | 71% | 13 km/h |
| June | 27°C | 20°C | 6°C / 35°C | 174 mm | 77% | 12 km/h |
| July | 31°C | 25°C | 17°C / 40°C | 119 mm | 78% | 13 km/h |
| August | 33°C | 26°C | 15°C / 39°C | 112 mm | 75% | 14 km/h |
| September | 29°C | 22°C | 15°C / 37°C | 120 mm | 75% | 14 km/h |
| October | 23°C | 16°C | -1°C / 31°C | 103 mm | 71% | 15 km/h |
| November | 17°C | 10°C | -6°C / 27°C | 74 mm | 69% | 16 km/h |
| December | 12°C | 5°C | -9°C / 23°C | 72 mm | 66% | 20 km/h |
Best time to visit Izuo
The most comfortable time to visit Izuo is generally May and September to 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 1,249 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 Izuo forecast for what is happening now.