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Kasukabe Weather by Month
Average temperatures, rainfall and humidity for Kasukabe, Japan, month by month, built from OpenWeather’s historical records. Use it to see what a typical Kasukabe month looks like before you travel — then check the live Kasukabe forecast for the days ahead.
Warmest month
August
33°C average high
Coolest month
January
2°C average low
Wettest month
June
159 mm of rain
Driest month
January
27 mm of rain
Average temperature and rainfall in Kasukabe 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 | -7°C / 19°C | 27 mm | 57% | 12 km/h |
| February | 11°C | 3°C | -6°C / 23°C | 38 mm | 57% | 12 km/h |
| March | 15°C | 6°C | -3°C / 27°C | 81 mm | 61% | 12 km/h |
| April | 19°C | 11°C | 1°C / 29°C | 101 mm | 64% | 12 km/h |
| May | 24°C | 16°C | 7°C / 34°C | 101 mm | 69% | 12 km/h |
| June | 27°C | 20°C | 13°C / 38°C | 159 mm | 74% | 11 km/h |
| July | 31°C | 24°C | 17°C / 39°C | 131 mm | 75% | 11 km/h |
| August | 33°C | 25°C | 17°C / 40°C | 128 mm | 72% | 12 km/h |
| September | 28°C | 22°C | 11°C / 37°C | 134 mm | 76% | 12 km/h |
| October | 22°C | 15°C | 5°C / 32°C | 119 mm | 72% | 11 km/h |
| November | 17°C | 10°C | -1°C / 27°C | 58 mm | 64% | 10 km/h |
| December | 13°C | 4°C | -6°C / 23°C | 33 mm | 57% | 11 km/h |
Best time to visit Kasukabe
The most comfortable time to visit Kasukabe 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 1,110 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 159 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 Kasukabe forecast for what is happening now.