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Asahikawa Weather by Month
Average temperatures, rainfall and humidity for Asahikawa, Japan, month by month, built from OpenWeather's historical records. Use it to see what a typical Asahikawa month looks like before you travel — then check the live Asahikawa forecast for the days ahead.
Warmest month
July
26°C average high
Coolest month
January
-12°C average low
Wettest month
August
111 mm of rain
Driest month
February
10 mm of rain
Average temperature and rainfall in Asahikawa 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 | -3°C | -12°C | -30°C / 7°C | 30 mm | 85% | 9 km/h |
| February | -2°C | -12°C | -29°C / 12°C | 10 mm | 83% | 10 km/h |
| March | 3°C | -6°C | -19°C / 15°C | 31 mm | 79% | 10 km/h |
| April | 11°C | 1°C | -13°C / 25°C | 64 mm | 69% | 12 km/h |
| May | 18°C | 7°C | -6°C / 34°C | 71 mm | 70% | 10 km/h |
| June | 22°C | 12°C | -1°C / 35°C | 78 mm | 78% | 8 km/h |
| July | 26°C | 17°C | 5°C / 37°C | 80 mm | 80% | 8 km/h |
| August | 26°C | 17°C | 7°C / 37°C | 111 mm | 82% | 8 km/h |
| September | 21°C | 12°C | 1°C / 32°C | 81 mm | 79% | 8 km/h |
| October | 13°C | 5°C | -6°C / 25°C | 90 mm | 79% | 10 km/h |
| November | 6°C | -1°C | -19°C / 18°C | 74 mm | 82% | 10 km/h |
| December | -1°C | -8°C | -28°C / 12°C | 43 mm | 85% | 11 km/h |
Best time to visit Asahikawa
The most comfortable time to visit Asahikawa is generally June to July and September, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around August, totalling about 764 mm a year.
Travellers who prefer heat should aim for July, when highs average 26°C. August is the month to avoid if rain would spoil your plans — it averages 111 mm, roughly 11× the rainfall of February.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Asahikawa forecast for what is happening now.