Weatheo

Kiryū Weather by Month

Average temperatures, rainfall and humidity for Kiryū, Japan, month by month, built from OpenWeather’s historical records. Use it to see what a typical Kiryū month looks like before you travel — then check the live Kiryū forecast for the days ahead.

Warmest month

August

31°C average high

Coolest month

February

-3°C average low

Wettest month

July

177 mm of rain

Driest month

January

10 mm of rain

Average temperature and rainfall in Kiryū by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January7°C-2°C-16°C / 18°C
10 mm
62%8 km/h
February7°C-3°C-19°C / 22°C
35 mm
60%8 km/h
March12°C1°C-14°C / 29°C
86 mm
65%7 km/h
April17°C7°C-6°C / 30°C
129 mm
66%7 km/h
May23°C12°C-2°C / 36°C
93 mm
67%6 km/h
June26°C17°C2°C / 41°C
158 mm
76%5 km/h
July30°C21°C14°C / 40°C
177 mm
79%5 km/h
August31°C22°C8°C / 40°C
156 mm
78%5 km/h
September27°C19°C4°C / 38°C
154 mm
78%5 km/h
October20°C11°C-5°C / 34°C
118 mm
75%6 km/h
November14°C5°C-11°C / 27°C
45 mm
72%6 km/h
December9°C0°C-13°C / 21°C
21 mm
66%7 km/h

Best time to visit Kiryū

The most comfortable time to visit Kiryū 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 July, totalling about 1,182 mm a year.

Travellers who prefer heat should aim for August, when highs average 31°C. July is the month to avoid if rain would spoil your plans — it averages 177 mm, roughly 17× the rainfall of the driest month (January).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Kiryū forecast for what is happening now.

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