Average annual temperature is 8.4 °C
Absolute maximum temperature: 30.5 °C
Absolute minimum temperature: -15.2 °C
Number of sunny days: 63 days
Number of rainy days: 240 days
Number of snow days: 62 days
Look at detailed online map of Washiaimori
* Weather data for Washiaimori 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 | 5.3 | 14.7 | 19.7 | 24.6 | 25.1 | 28.6 | 30.5 | 29.8 | 19.1 | 19.5 | 10.9 |
| Average daytime temperature (°C) | -3.1 | -2.1 | 6.2 | 10.7 | 15.5 | 19.7 | 24.0 | 27.7 | 23.2 | 14.0 | 8.1 | 1.1 |
| Average temperature (°C) | -5.5 | -4.7 | 1.6 | 5.8 | 10.8 | 15.9 | 20.5 | 23.4 | 19.1 | 10.3 | 4.7 | -1.8 |
| Average night temperature (°C) | -7.6 | -7.0 | -2.1 | 2.2 | 7.3 | 13.0 | 17.9 | 20.8 | 16.5 | 7.7 | 1.8 | -4.7 |
| Absolute minimum temperature (°C) | -15.2 | -13.1 | -6.9 | -3.7 | 0.2 | 8.4 | 13.7 | 18.9 | 10.1 | 1.5 | -6.8 | -11.5 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.0 | 9.5 |
| 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) | 3.9 | 4.7 | 8.1 | 8.3 | 8.3 | 7.5 | 8.6 | 10.7 | 7.0 | 7.7 | 4.6 | 3.0 |
| Precipitation (mm) | 159 | 127 | 106 | 153 | 175 | 288 | 258 | 151 | 242 | 166 | 263 | 198 |
| Sunny days | 0 | 4 | 13 | 9 | 8 | 4 | 3 | 2 | 2 | 8 | 6 | 4 |
| Rainy days | 9 | 4 | 13 | 20 | 23 | 26 | 28 | 29 | 28 | 23 | 22 | 15 |
| Snow days | 22 | 20 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 12 |
The best time to visit Washiaimori during the most sunny months:
The largest precipitation sum in Washiaimori is at