Average annual temperature is 11.9 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -12.8 °C
Number of sunny days: 116 days
Number of rainy days: 208 days
Number of snow days: 41 days
Look at detailed online map of Oirase Chō
* Weather data for Oirase Chō 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) | 12.5 | 11.8 | 20.4 | 20.3 | 28.3 | 29.5 | 33.7 | 35.3 | 32.8 | 24.4 | 23.1 | 15.1 |
| Average daytime temperature (°C) | 1.6 | 1.9 | 11.0 | 14.5 | 18.3 | 22.2 | 26.8 | 30.3 | 25.6 | 18.5 | 12.2 | 4.3 |
| Average temperature (°C) | -1.5 | -1.1 | 5.8 | 10.1 | 13.7 | 18.7 | 23.4 | 27.0 | 22.2 | 13.9 | 8.4 | 0.8 |
| Average night temperature (°C) | -4.3 | -4.2 | 1.6 | 6.5 | 10.1 | 16.0 | 20.9 | 24.5 | 19.4 | 10.5 | 5.2 | -2.8 |
| Absolute minimum temperature (°C) | -12.5 | -9.4 | -4.3 | -0.8 | 2.7 | 10.4 | 14.5 | 21.9 | 11.7 | 5.1 | -7.8 | -12.8 |
| 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 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 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) | 6.0 | 6.6 | 8.5 | 9.1 | 9.2 | 8.1 | 9.6 | 10.5 | 7.3 | 8.3 | 5.6 | 5.5 |
| Precipitation (mm) | 56 | 60 | 69 | 89 | 113 | 109 | 199 | 110 | 146 | 85 | 86 | 72 |
| Sunny days | 6 | 7 | 18 | 13 | 11 | 13 | 9 | 7 | 3 | 10 | 9 | 10 |
| Rainy days | 7 | 11 | 13 | 17 | 20 | 17 | 22 | 24 | 27 | 21 | 18 | 11 |
| Snow days | 18 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 10 |
The best time to visit Oirase Chō during the most sunny months:
The largest precipitation sum in Oirase Chō is at