Average annual temperature is 10.8 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -12.4 °C
Number of sunny days: 82 days
Number of rainy days: 216 days
Number of snow days: 67 days
Look at detailed online map of Ishinazaka
* Weather data for Ishinazaka 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) | 7.9 | 8.0 | 17.1 | 20.1 | 25.0 | 27.8 | 31.6 | 34.8 | 30.9 | 20.8 | 20.9 | 11.9 |
| Average daytime temperature (°C) | -1.0 | 0.3 | 9.1 | 13.4 | 17.9 | 23.2 | 26.7 | 30.9 | 25.4 | 16.7 | 10.3 | 2.5 |
| Average temperature (°C) | -3.4 | -2.0 | 4.2 | 8.8 | 13.1 | 19.0 | 23.0 | 26.7 | 21.1 | 12.3 | 6.7 | -0.4 |
| Average night temperature (°C) | -5.7 | -4.3 | 0.7 | 5.4 | 9.4 | 15.8 | 20.1 | 23.8 | 18.1 | 9.0 | 3.5 | -3.4 |
| Absolute minimum temperature (°C) | -12.4 | -10.6 | -4.9 | -1.7 | 2.6 | 10.8 | 14.6 | 21.7 | 10.7 | 2.5 | -7.9 | -11.3 |
| 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 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 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) | 4.7 | 5.7 | 8.0 | 8.3 | 9.6 | 8.3 | 9.7 | 11.2 | 7.7 | 8.1 | 4.8 | 4.4 |
| Precipitation (mm) | 138 | 188 | 103 | 166 | 138 | 171 | 269 | 72 | 136 | 207 | 251 | 139 |
| Sunny days | 1 | 1 | 15 | 8 | 11 | 7 | 6 | 5 | 9 | 11 | 7 | 1 |
| Rainy days | 3 | 5 | 12 | 22 | 20 | 23 | 25 | 26 | 21 | 20 | 19 | 20 |
| Snow days | 27 | 22 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 10 |
The best time to visit Ishinazaka during the most sunny months:
The largest precipitation sum in Ishinazaka is at