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Okazaki Weather by Month
Average temperatures, rainfall and humidity for Okazaki, Japan, month by month, built from OpenWeather’s historical records. Use it to see what a typical Okazaki month looks like before you travel — then check the live Okazaki forecast for the days ahead.
Warmest month
August
33°C average high
Coolest month
January
2°C average low
Wettest month
June
185 mm of rain
Driest month
January
58 mm of rain
Average temperature and rainfall in Okazaki 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 | -8°C / 18°C | 58 mm | 68% | 16 km/h |
| February | 11°C | 3°C | -4°C / 20°C | 76 mm | 66% | 17 km/h |
| March | 15°C | 6°C | -2°C / 24°C | 148 mm | 66% | 15 km/h |
| April | 20°C | 11°C | 0°C / 30°C | 173 mm | 67% | 14 km/h |
| May | 24°C | 16°C | 8°C / 37°C | 123 mm | 69% | 12 km/h |
| June | 27°C | 20°C | 13°C / 38°C | 185 mm | 76% | 11 km/h |
| July | 32°C | 24°C | 17°C / 40°C | 154 mm | 75% | 11 km/h |
| August | 33°C | 25°C | 16°C / 40°C | 167 mm | 72% | 12 km/h |
| September | 29°C | 22°C | 11°C / 38°C | 139 mm | 74% | 11 km/h |
| October | 23°C | 16°C | 6°C / 34°C | 136 mm | 71% | 13 km/h |
| November | 18°C | 10°C | -1°C / 26°C | 71 mm | 68% | 13 km/h |
| December | 12°C | 5°C | -2°C / 21°C | 60 mm | 67% | 16 km/h |
Best time to visit Okazaki
The most comfortable time to visit Okazaki is generally May and October to November, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around June, totalling about 1,490 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 185 mm, roughly 3× the rainfall of the driest month (January).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Okazaki forecast for what is happening now.
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