Average annual temperature is 7.8 °C
Absolute maximum temperature: 28.0 °C
Absolute minimum temperature: -17.5 °C
Number of sunny days: 92 days
Number of rainy days: 187 days
Number of snow days: 86 days
Look at detailed online map of Rishiri Town
* Weather data for Rishiri Town 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) | 4.6 | 3.4 | 7.8 | 11.5 | 16.0 | 25.1 | 25.4 | 28.0 | 25.2 | 19.3 | 15.7 | 10.2 |
| Average daytime temperature (°C) | -4.5 | -3.4 | 3.4 | 6.9 | 12.2 | 17.9 | 21.8 | 24.0 | 21.6 | 14.7 | 6.8 | -0.9 |
| Average temperature (°C) | -6.3 | -4.8 | 1.7 | 4.9 | 9.3 | 15.0 | 19.4 | 21.4 | 19.0 | 12.3 | 4.2 | -3.0 |
| Average night temperature (°C) | -8.1 | -6.3 | 0.1 | 2.9 | 6.7 | 12.5 | 17.5 | 19.7 | 16.4 | 10.2 | 1.8 | -5.0 |
| Absolute minimum temperature (°C) | -17.5 | -10.2 | -4.5 | -0.9 | 1.0 | 6.8 | 11.9 | 15.3 | 11.0 | 3.6 | -7.2 | -9.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.2 | 14.1 | 12.5 | 11.0 | 9.6 | 8.8 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 5.4 | 6.4 | 7.7 | 7.8 | 10.1 | 9.2 | 9.7 | 8.2 | 8.6 | 7.8 | 4.7 | 3.2 |
| Precipitation (mm) | 73 | 56 | 67 | 121 | 47 | 112 | 151 | 271 | 179 | 143 | 184 | 138 |
| Sunny days | 1 | 3 | 12 | 9 | 15 | 15 | 7 | 5 | 11 | 9 | 3 | 2 |
| Rainy days | 4 | 2 | 12 | 20 | 16 | 15 | 24 | 26 | 19 | 22 | 17 | 10 |
| Snow days | 26 | 23 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 19 |
The best time to visit Rishiri Town during the most sunny months:
Months with the longest average daylight duration in Rishiri Town:
The largest precipitation sum in Rishiri Town is at