- Izumo ›
- Weather by month
Izumo Weather by Month
Average temperatures, rainfall and humidity for Izumo, Japan, month by month, built from OpenWeather’s historical records. Use it to see what a typical Izumo month looks like before you travel — then check the live Izumo forecast for the days ahead.
Warmest month
August
31°C average high
Coolest month
January
2°C average low
Wettest month
September
119 mm of rain
Driest month
November
60 mm of rain
Average temperature and rainfall in Izumo 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 | 8°C | 2°C | -5°C / 18°C | 61 mm | 74% | 17 km/h |
| February | 9°C | 2°C | -8°C / 23°C | 63 mm | 73% | 16 km/h |
| March | 13°C | 5°C | -3°C / 25°C | 81 mm | 69% | 15 km/h |
| April | 18°C | 9°C | 0°C / 27°C | 96 mm | 69% | 14 km/h |
| May | 23°C | 14°C | 4°C / 32°C | 66 mm | 69% | 13 km/h |
| June | 26°C | 19°C | 11°C / 37°C | 113 mm | 78% | 11 km/h |
| July | 30°C | 24°C | 18°C / 36°C | 78 mm | 78% | 12 km/h |
| August | 31°C | 24°C | 17°C / 38°C | 96 mm | 76% | 12 km/h |
| September | 27°C | 20°C | 11°C / 36°C | 119 mm | 79% | 12 km/h |
| October | 21°C | 14°C | 5°C / 32°C | 80 mm | 75% | 13 km/h |
| November | 16°C | 9°C | 1°C / 27°C | 60 mm | 72% | 14 km/h |
| December | 10°C | 4°C | -2°C / 23°C | 73 mm | 72% | 16 km/h |
Best time to visit Izumo
The most comfortable time to visit Izumo is generally May to June and October, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around September, totalling about 985 mm a year.
Travellers who prefer heat should aim for August, when highs average 31°C. September is the month to avoid if rain would spoil your plans — it averages 119 mm, roughly 2× the rainfall of the driest month (November).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Izumo forecast for what is happening now.
Weather across Japan right now
- Adachi18°C
- Chiba18°C
- Edogawa18°C
- Fukuoka20°C
- Hamamatsu20°C
- Hiroshima18°C
- Honchō18°C
- Imaichi14°C
- Itabashi18°C
- Iwatsuki18°C
- Kagoshima22°C
- Kawaguchi18°C
- Kawasaki18°C
- Kitakyūshū20°C
- Kōbe18°C
- Kumamoto20°C
- Kyōto19°C
- Nagoya20°C
- Nerima18°C
- Niigata16°C
- Okayama19°C
- Ōsaka20°C
- Ōta-ku18°C
- Sagamihara17°C
- Saitama18°C
- Sakai20°C
- Sapporo8°C
- Sendai12°C
- Setagaya18°C
- Shizuoka19°C
- Tokyo18°C
- Yokohama18°C
