Weatheo

Kiryū weather by month

Warmest month

August

31°C average high

Coolest month

February

-3°C average low

Wettest month

July

179 mm of rain

Driest month

January

7 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
January6°C-2°C-15°C / 17°C
7 mm
63%9 km/h
February7°C-3°C-15°C / 19°C
34 mm
62%8 km/h
March11°C1°C-11°C / 22°C
89 mm
66%7 km/h
April18°C7°C-3°C / 28°C
130 mm
67%7 km/h
May24°C12°C2°C / 34°C
89 mm
65%6 km/h
June26°C17°C9°C / 40°C
158 mm
76%5 km/h
July28°C21°C15°C / 39°C
179 mm
83%5 km/h
August31°C23°C15°C / 40°C
156 mm
77%5 km/h
September27°C19°C9°C / 38°C
173 mm
80%5 km/h
October20°C12°C-1°C / 34°C
119 mm
77%6 km/h
November14°C5°C-10°C / 23°C
50 mm
72%5 km/h
December9°C0°C-12°C / 16°C
22 mm
66%7 km/h

Frost and snow-likely months in Kiryū

Nights in Kiryū average 2°C or below in 4 months (January, February, March and December). February and December combine average lows at or below 0°C with 10 mm or more of monthly precipitation, so precipitation then is likely to fall as snow. The coldest month is February with an average low of -3°C and a record low of -15°C.

  • January: average low -2°C, record low -15°C, 7 mm of precipitation
  • February: average low -3°C, record low -15°C, 34 mm of precipitation — snow-likely
  • March: average low 1°C, record low -11°C, 89 mm of precipitation
  • December: average low 0°C, record low -12°C, 22 mm of precipitation — snow-likely

These records carry temperature and precipitation, not snowfall totals.

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 1,207 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 179 mm, roughly 24× the rainfall of the driest month (January).

Kiryū climate: your questions

Does Kiryū have snow?

Yes, in winter: February and December average lows at or below 0°C with 10 mm or more of monthly precipitation, so some of it falls as snow. The coldest month is February (average low -3°C, record low -15°C). Our records carry temperature and precipitation, not snowfall totals. What is falling now: Kiryū weather today.

Will it snow in Kiryū this winter?

Kiryū's winter months average lows of 0°C in December, -2°C in January and -3°C in February, with about 63 mm of precipitation across the three; 3 of them sit at or below 0°C, so snow is likely on the colder days. The records hold no snowfall totals. The next 15 days: Kiryū 10-day forecast.

Which months are best for visiting Kiryū?

May to June and October are the most comfortable months in Kiryū, with highs near 23°C. August is the warmest month, averaging 31°C by day; July is the wettest, with 179 mm; and February is the coolest, with lows near -3°C. What it is doing today: Kiryū weather today.

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

Nearest cities: Monthly climate

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