Average annual temperature is 11.9 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -12.5 °C
Number of sunny days: 60 days
Number of rainy days: 269 days
Number of snow days: 36 days
Look at detailed online map of Ōkoya
* Weather data for Ōkoya 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) | 11.6 | 9.3 | 20.9 | 21.8 | 27.5 | 27.6 | 31.7 | 35.6 | 33.3 | 22.4 | 23.1 | 15.2 |
| Average daytime temperature (°C) | 1.6 | 2.2 | 11.3 | 14.6 | 19.0 | 23.6 | 27.1 | 32.4 | 26.8 | 17.8 | 12.2 | 5.1 |
| Average temperature (°C) | -1.3 | -0.7 | 5.3 | 9.4 | 13.7 | 19.3 | 23.2 | 27.4 | 22.3 | 13.3 | 8.4 | 1.9 |
| Average night temperature (°C) | -3.9 | -3.8 | 0.4 | 5.1 | 9.1 | 15.8 | 20.1 | 23.8 | 19.3 | 10.2 | 5.2 | -0.8 |
| Absolute minimum temperature (°C) | -12.5 | -9.8 | -7.1 | -0.4 | 0.9 | 10.1 | 16.6 | 20.9 | 10.6 | 5.4 | -1.6 | -6.7 |
| 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 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 4.7 | 5.6 | 8.4 | 8.3 | 8.9 | 8.1 | 8.9 | 11.9 | 7.7 | 7.8 | 5.3 | 3.3 |
| Precipitation (mm) | 144 | 110 | 104 | 147 | 165 | 202 | 340 | 103 | 256 | 228 | 254 | 181 |
| Sunny days | 0 | 4 | 17 | 9 | 9 | 3 | 3 | 3 | 2 | 4 | 4 | 2 |
| Rainy days | 17 | 11 | 13 | 21 | 22 | 27 | 28 | 28 | 28 | 27 | 25 | 22 |
| Snow days | 14 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 |
The best time to visit Ōkoya during the most sunny months:
The largest precipitation sum in Ōkoya is at