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Utsunomiya Weather by Month
Average temperatures, rainfall and humidity for Utsunomiya, Japan, month by month, built from OpenWeather’s historical records. Use it to see what a typical Utsunomiya month looks like before you travel — then check the live Utsunomiya forecast for the days ahead.
Warmest month
August
33°C average high
Coolest month
January
1°C average low
Wettest month
June
140 mm of rain
Driest month
January
23 mm of rain
Average temperature and rainfall in Utsunomiya 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 | 1°C | -9°C / 18°C | 23 mm | 56% | 9 km/h |
| February | 11°C | 1°C | -10°C / 23°C | 30 mm | 55% | 10 km/h |
| March | 15°C | 5°C | -6°C / 26°C | 65 mm | 61% | 10 km/h |
| April | 19°C | 10°C | -1°C / 29°C | 89 mm | 65% | 11 km/h |
| May | 24°C | 15°C | 3°C / 35°C | 85 mm | 69% | 11 km/h |
| June | 27°C | 19°C | 8°C / 39°C | 140 mm | 76% | 9 km/h |
| July | 31°C | 23°C | 16°C / 40°C | 136 mm | 75% | 9 km/h |
| August | 33°C | 25°C | 14°C / 41°C | 98 mm | 75% | 10 km/h |
| September | 28°C | 21°C | 10°C / 38°C | 108 mm | 77% | 10 km/h |
| October | 22°C | 14°C | 1°C / 33°C | 88 mm | 72% | 9 km/h |
| November | 17°C | 9°C | -6°C / 28°C | 45 mm | 67% | 7 km/h |
| December | 12°C | 4°C | -8°C / 22°C | 24 mm | 60% | 8 km/h |
Best time to visit Utsunomiya
The most comfortable time to visit Utsunomiya 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 930 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 140 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 Utsunomiya forecast for what is happening now.
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