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Kodaira Weather by Month
Average temperatures, rainfall and humidity for Kodaira, Japan, month by month, built from OpenWeather's historical records. Use it to see what a typical Kodaira month looks like before you travel — then check the live Kodaira forecast for the days ahead.
Warmest month
August
32°C average high
Coolest month
January
1°C average low
Wettest month
June
155 mm of rain
Driest month
January
24 mm of rain
Average temperature and rainfall in Kodaira 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 | 1°C | -10°C / 17°C | 24 mm | 56% | 11 km/h |
| February | 11°C | 2°C | -10°C / 24°C | 41 mm | 57% | 12 km/h |
| March | 15°C | 6°C | -6°C / 28°C | 82 mm | 62% | 13 km/h |
| April | 19°C | 11°C | -3°C / 28°C | 106 mm | 66% | 13 km/h |
| May | 24°C | 15°C | 6°C / 32°C | 103 mm | 69% | 13 km/h |
| June | 26°C | 20°C | 10°C / 37°C | 155 mm | 77% | 11 km/h |
| July | 31°C | 24°C | 17°C / 38°C | 112 mm | 77% | 11 km/h |
| August | 32°C | 25°C | 18°C / 39°C | 125 mm | 75% | 11 km/h |
| September | 28°C | 21°C | 8°C / 36°C | 134 mm | 77% | 11 km/h |
| October | 22°C | 15°C | 2°C / 32°C | 123 mm | 74% | 10 km/h |
| November | 17°C | 9°C | -1°C / 26°C | 53 mm | 68% | 10 km/h |
| December | 12°C | 4°C | -10°C / 23°C | 32 mm | 59% | 10 km/h |
Best time to visit Kodaira
The most comfortable time to visit Kodaira 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 1090 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 155 mm, roughly 6× the rainfall of January.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Kodaira forecast for what is happening now.