Weatheo

Adachi Weather by Month

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

28 mm of rain

Average temperature and rainfall in Adachi 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
January10°C2°C-7°C / 18°C
28 mm
56%12 km/h
February11°C3°C-5°C / 23°C
44 mm
58%13 km/h
March15°C7°C-3°C / 28°C
81 mm
63%13 km/h
April19°C12°C1°C / 29°C
106 mm
66%13 km/h
May24°C17°C7°C / 34°C
106 mm
70%13 km/h
June27°C20°C13°C / 38°C
152 mm
74%11 km/h
July31°C24°C18°C / 39°C
113 mm
76%11 km/h
August32°C26°C17°C / 40°C
126 mm
72%12 km/h
September28°C22°C12°C / 37°C
136 mm
76%12 km/h
October22°C16°C5°C / 33°C
121 mm
71%12 km/h
November17°C10°C-1°C / 27°C
62 mm
64%11 km/h
December12°C4°C-6°C / 23°C
36 mm
57%12 km/h

Best time to visit Adachi

The most comfortable time to visit Adachi 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 1,109 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 5× the rainfall of the driest month (January).

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

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