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Weather by month

Kashiwa Weather by Month

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

Warmest month

August

32°C average high

Coolest month

January

2°C average low

Wettest month

June

152 mm of rain

Driest month

January

25 mm of rain

Average temperature and rainfall in Kashiwa 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	-9°C / 18°C	25 mm	57%	13 km/h
February	11°C	3°C	-5°C / 23°C	42 mm	60%	14 km/h
March	15°C	7°C	-3°C / 27°C	82 mm	64%	14 km/h
April	19°C	11°C	1°C / 29°C	108 mm	67%	15 km/h
May	24°C	16°C	8°C / 34°C	108 mm	70%	14 km/h
June	27°C	20°C	13°C / 38°C	152 mm	73%	12 km/h
July	31°C	24°C	18°C / 39°C	108 mm	76%	12 km/h
August	32°C	25°C	17°C / 40°C	119 mm	73%	13 km/h
September	28°C	22°C	12°C / 37°C	130 mm	77%	13 km/h
October	22°C	15°C	5°C / 32°C	121 mm	71%	13 km/h
November	17°C	10°C	-1°C / 27°C	60 mm	66%	11 km/h
December	12°C	4°C	-6°C / 23°C	38 mm	58%	12 km/h

Best time to visit Kashiwa

The most comfortable time to visit Kashiwa 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 June, totalling about 1,094 mm a year.

Travellers who prefer heat should aim for August, when highs average 32°C. June is the month to avoid if rain would spoil your plans — it averages 152 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 Kashiwa forecast for what is happening now.