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Ōmiyachō Weather by Month
Average temperatures, rainfall and humidity for Ōmiyachō, Japan, month by month, built from OpenWeather’s historical records. Use it to see what a typical Ōmiyachō month looks like before you travel — then check the live Ōmiyachō forecast for the days ahead.
Warmest month
August
32°C average high
Coolest month
January
-2°C average low
Wettest month
April
211 mm of rain
Driest month
January
34 mm of rain
Average temperature and rainfall in Ōmiyachō 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 | 10°C | -2°C | -18°C / 18°C | 34 mm | 67% | 8 km/h |
| February | 11°C | -1°C | -19°C / 25°C | 64 mm | 68% | 8 km/h |
| March | 15°C | 3°C | -14°C / 26°C | 160 mm | 72% | 7 km/h |
| April | 19°C | 8°C | -7°C / 31°C | 211 mm | 73% | 8 km/h |
| May | 23°C | 13°C | 0°C / 34°C | 120 mm | 73% | 7 km/h |
| June | 26°C | 18°C | 5°C / 39°C | 173 mm | 79% | 6 km/h |
| July | 30°C | 22°C | 0°C / 41°C | 188 mm | 83% | 6 km/h |
| August | 32°C | 23°C | 10°C / 40°C | 134 mm | 79% | 7 km/h |
| September | 28°C | 19°C | 5°C / 39°C | 148 mm | 79% | 6 km/h |
| October | 22°C | 12°C | -3°C / 33°C | 130 mm | 80% | 6 km/h |
| November | 17°C | 6°C | -10°C / 27°C | 78 mm | 77% | 6 km/h |
| December | 12°C | 1°C | -14°C / 22°C | 44 mm | 68% | 7 km/h |
Best time to visit Ōmiyachō
The most comfortable time to visit Ōmiyachō 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 April, totalling about 1,482 mm a year.
Travellers who prefer heat should aim for August, when highs average 32°C. April is the month to avoid if rain would spoil your plans — it averages 211 mm, roughly 6× the rainfall of the driest month (January).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Ōmiyachō forecast for what is happening now.