Average annual temperature is 12.0 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: -9.4 °C
Number of sunny days: 86 days
Number of rainy days: 235 days
Number of snow days: 44 days
Look at detailed online map of Ashiya
* Weather data for Ashiya Japan is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 9.9 | 9.6 | 20.7 | 21.9 | 27.6 | 29.1 | 32.7 | 36.4 | 31.6 | 22.8 | 22.3 | 14.4 |
| Average daytime temperature (°C) | 0.9 | 1.9 | 10.0 | 13.9 | 18.8 | 23.7 | 27.3 | 31.7 | 26.2 | 18.0 | 11.7 | 4.0 |
| Average temperature (°C) | -1.2 | 0.0 | 5.1 | 9.6 | 13.7 | 19.4 | 23.5 | 27.3 | 21.9 | 13.9 | 8.4 | 1.4 |
| Average night temperature (°C) | -3.2 | -1.9 | 0.9 | 6.2 | 9.4 | 16.2 | 20.4 | 24.0 | 18.7 | 10.5 | 5.5 | -1.1 |
| Absolute minimum temperature (°C) | -9.4 | -8.2 | -4.9 | -0.6 | 3.0 | 11.4 | 16.5 | 20.9 | 11.8 | 5.7 | -2.1 | -7.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.0 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.2 | 5.8 | 8.3 | 8.5 | 9.5 | 8.1 | 9.5 | 11.7 | 7.7 | 7.6 | 4.8 | 3.4 |
| Precipitation (mm) | 148 | 139 | 99 | 125 | 134 | 146 | 211 | 76 | 146 | 149 | 218 | 142 |
| Sunny days | 1 | 1 | 17 | 9 | 12 | 9 | 5 | 6 | 10 | 9 | 5 | 2 |
| Rainy days | 12 | 16 | 14 | 21 | 19 | 21 | 26 | 25 | 20 | 22 | 23 | 16 |
| Snow days | 18 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 13 |
The best time to visit Ashiya during the most sunny months:
The largest precipitation sum in Ashiya is at