Average annual temperature is 9.2 °C
Absolute maximum temperature: 28.5 °C
Absolute minimum temperature: -15.8 °C
Number of sunny days: 108 days
Number of rainy days: 219 days
Number of snow days: 38 days
Look at detailed online map of Ōkuwa
* Weather data for Ōkuwa 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) | 11.1 | 10.1 | 15.0 | 21.6 | 24.0 | 25.3 | 28.5 | 27.3 | 27.1 | 19.5 | 18.9 | 16.1 |
| Average daytime temperature (°C) | 1.3 | 2.4 | 9.5 | 13.6 | 16.4 | 20.3 | 25.4 | 25.0 | 23.0 | 14.9 | 10.6 | 6.1 |
| Average temperature (°C) | -3.3 | -2.4 | 4.2 | 7.6 | 11.4 | 16.1 | 20.8 | 21.1 | 18.8 | 9.6 | 5.3 | 0.7 |
| Average night temperature (°C) | -6.4 | -5.9 | 0.3 | 3.1 | 7.6 | 12.9 | 16.8 | 18.3 | 15.9 | 5.9 | 1.7 | -3.0 |
| Absolute minimum temperature (°C) | -15.8 | -10.9 | -6.8 | -4.1 | 1.6 | 6.9 | 14.1 | 16.1 | 7.7 | 1.0 | -3.8 | -9.1 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 7.4 | 7.4 | 8.6 | 9.1 | 9.1 | 8.2 | 10.1 | 10.2 | 8.8 | 8.9 | 7.9 | 7.4 |
| Precipitation (mm) | 44 | 63 | 151 | 128 | 256 | 338 | 189 | 277 | 303 | 116 | 68 | 64 |
| Sunny days | 12 | 10 | 9 | 15 | 10 | 5 | 2 | 2 | 2 | 13 | 13 | 15 |
| Rainy days | 4 | 5 | 21 | 15 | 21 | 25 | 29 | 29 | 28 | 18 | 15 | 9 |
| Snow days | 15 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 |
The largest precipitation sum in Ōkuwa is at