Average annual temperature is 12.5 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -9.6 °C
Number of sunny days: 80 days
Number of rainy days: 239 days
Number of snow days: 46 days
Look at detailed online map of Oirase
* Weather data for Oirase 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) | 10.2 | 8.2 | 18.1 | 19.1 | 22.5 | 26.0 | 30.2 | 35.5 | 30.4 | 23.1 | 23.2 | 13.7 |
| Average daytime temperature (°C) | 1.4 | 1.8 | 8.8 | 12.5 | 17.1 | 22.3 | 26.1 | 31.3 | 25.9 | 17.9 | 11.9 | 4.4 |
| Average temperature (°C) | -0.1 | 0.3 | 5.7 | 9.6 | 13.7 | 19.5 | 23.7 | 28.0 | 22.7 | 14.9 | 9.1 | 2.3 |
| Average night temperature (°C) | -1.8 | -1.3 | 2.8 | 7.3 | 10.8 | 17.1 | 21.5 | 25.4 | 20.2 | 12.4 | 6.3 | 0.2 |
| Absolute minimum temperature (°C) | -9.6 | -5.6 | -1.4 | 2.4 | 4.1 | 12.4 | 16.5 | 22.9 | 13.7 | 6.9 | -1.4 | -6.5 |
| 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 | 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 | 14.8 | 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) | 5.3 | 5.8 | 8.2 | 8.8 | 9.8 | 8.8 | 9.7 | 12.0 | 7.6 | 7.9 | 5.2 | 3.7 |
| Precipitation (mm) | 167 | 139 | 100 | 174 | 141 | 121 | 276 | 78 | 168 | 212 | 242 | 164 |
| Sunny days | 1 | 1 | 16 | 9 | 12 | 9 | 5 | 9 | 8 | 7 | 3 | 0 |
| Rainy days | 11 | 12 | 15 | 21 | 19 | 21 | 26 | 22 | 22 | 24 | 25 | 21 |
| Snow days | 19 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 10 |
The best time to visit Oirase during the most sunny months:
The largest precipitation sum in Oirase is at