Average annual temperature is 8.5 °C
Absolute maximum temperature: 31.7 °C
Absolute minimum temperature: -15.2 °C
Number of sunny days: 69 days
Number of rainy days: 228 days
Number of snow days: 68 days
Look at detailed online map of Ishizakikōzan
* Weather data for Ishizakikōzan 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) | 6.5 | 5.6 | 14.2 | 16.0 | 18.5 | 23.7 | 27.7 | 31.7 | 27.4 | 19.6 | 17.8 | 10.3 |
| Average daytime temperature (°C) | -3.4 | -1.9 | 5.0 | 8.9 | 14.1 | 19.3 | 23.0 | 26.8 | 22.2 | 14.5 | 7.7 | -0.2 |
| Average temperature (°C) | -5.4 | -3.8 | 1.8 | 5.7 | 10.5 | 16.1 | 20.2 | 23.7 | 18.9 | 11.3 | 4.6 | -2.4 |
| Average night temperature (°C) | -7.3 | -5.7 | -0.7 | 3.3 | 7.7 | 13.5 | 18.1 | 21.4 | 16.4 | 8.8 | 1.8 | -4.8 |
| Absolute minimum temperature (°C) | -15.2 | -11.2 | -5.3 | -2.6 | 1.0 | 9.0 | 14.2 | 18.5 | 10.3 | 1.6 | -6.4 | -9.7 |
| 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 | 15.1 | 14.9 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.6 | 5.6 | 8.5 | 8.5 | 9.5 | 9.0 | 9.3 | 9.7 | 7.5 | 7.9 | 5.5 | 4.3 |
| Precipitation (mm) | 142 | 117 | 74 | 208 | 100 | 130 | 210 | 122 | 167 | 114 | 238 | 135 |
| Sunny days | 0 | 1 | 12 | 6 | 11 | 10 | 4 | 3 | 8 | 9 | 4 | 1 |
| Rainy days | 8 | 9 | 15 | 24 | 20 | 20 | 27 | 28 | 22 | 22 | 20 | 13 |
| Snow days | 23 | 18 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 17 |
The best time to visit Ishizakikōzan during the most sunny months:
The largest precipitation sum in Ishizakikōzan is at