Average annual temperature is 12.0 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -10.4 °C
Number of sunny days: 87 days
Number of rainy days: 224 days
Number of snow days: 54 days
Look at detailed online map of Ishizakisawa
* Weather data for Ishizakisawa 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) | 10.1 | 8.5 | 16.8 | 18.6 | 25.4 | 27.5 | 31.1 | 34.8 | 28.5 | 22.5 | 21.8 | 14.1 |
| Average daytime temperature (°C) | 0.7 | 1.7 | 9.2 | 12.7 | 17.0 | 21.3 | 26.1 | 30.1 | 25.1 | 17.7 | 11.6 | 3.9 |
| Average temperature (°C) | -1.2 | 0.0 | 5.6 | 9.4 | 13.2 | 18.3 | 23.1 | 26.7 | 22.4 | 14.8 | 8.6 | 2.0 |
| Average night temperature (°C) | -3.1 | -1.6 | 3.1 | 6.9 | 10.3 | 16.0 | 20.9 | 24.2 | 20.4 | 12.5 | 6.3 | 0.2 |
| Absolute minimum temperature (°C) | -10.4 | -5.4 | -0.3 | 2.0 | 4.6 | 12.9 | 16.0 | 22.1 | 15.3 | 6.9 | -2.3 | -4.8 |
| 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 | 14.8 | 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) | 6.2 | 6.5 | 8.8 | 9.2 | 9.8 | 8.4 | 10.1 | 10.7 | 8.0 | 8.2 | 5.7 | 4.6 |
| Precipitation (mm) | 105 | 61 | 64 | 128 | 126 | 107 | 123 | 66 | 126 | 119 | 137 | 89 |
| Sunny days | 1 | 3 | 16 | 8 | 13 | 9 | 5 | 5 | 9 | 9 | 7 | 2 |
| Rainy days | 7 | 10 | 15 | 22 | 18 | 21 | 26 | 26 | 21 | 22 | 21 | 15 |
| Snow days | 23 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 14 |
The best time to visit Ishizakisawa during the most sunny months:
The largest precipitation sum in Ishizakisawa is at