Average annual temperature is 10.7 °C
Absolute maximum temperature: 28.1 °C
Absolute minimum temperature: -11.5 °C
Number of sunny days: 132 days
Number of rainy days: 191 days
Number of snow days: 42 days
Look at detailed online map of Shiroishichō
* Weather data for Shiroishichō 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) | 9.7 | 8.0 | 11.8 | 13.1 | 17.1 | 20.2 | 24.7 | 28.1 | 26.2 | 22.6 | 19.0 | 13.2 |
| Average daytime temperature (°C) | 0.4 | 1.5 | 7.6 | 9.5 | 12.6 | 16.7 | 21.7 | 25.6 | 23.5 | 16.7 | 10.8 | 3.5 |
| Average temperature (°C) | -2.0 | -0.5 | 5.2 | 7.9 | 10.9 | 15.3 | 20.5 | 24.3 | 21.8 | 14.5 | 8.1 | 1.3 |
| Average night temperature (°C) | -3.9 | -2.9 | 3.3 | 6.4 | 9.5 | 14.2 | 19.5 | 23.2 | 20.3 | 12.6 | 5.6 | -0.9 |
| Absolute minimum temperature (°C) | -11.5 | -7.0 | -1.4 | 2.9 | 4.7 | 11.6 | 15.1 | 20.8 | 15.3 | 5.9 | -3.0 | -5.8 |
| 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) | 9.5 | 10.6 | 11.9 | 13.3 | 14.5 | 15.2 | 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) | 6.9 | 7.3 | 8.8 | 9.0 | 9.3 | 8.3 | 10.3 | 9.3 | 7.5 | 8.3 | 6.4 | 6.1 |
| Precipitation (mm) | 62 | 57 | 58 | 132 | 67 | 115 | 75 | 85 | 149 | 92 | 189 | 86 |
| Sunny days | 6 | 8 | 15 | 13 | 15 | 12 | 14 | 10 | 9 | 13 | 8 | 9 |
| Rainy days | 11 | 11 | 15 | 17 | 16 | 18 | 17 | 21 | 21 | 18 | 17 | 9 |
| Snow days | 14 | 9 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 13 |
The best time to visit Shiroishichō during the most sunny months:
The largest precipitation sum in Shiroishichō is at