Average annual temperature is 13.8 °C
Absolute maximum temperature: 34.0 °C
Absolute minimum temperature: -11.3 °C
Number of sunny days: 148 days
Number of rainy days: 211 days
Number of snow days: 6 days
Look at detailed online map of Ōkuma
* Weather data for Ōkuma 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) | 15.7 | 15.7 | 21.7 | 24.7 | 30.4 | 29.6 | 34.0 | 32.0 | 31.5 | 25.4 | 23.5 | 18.3 |
| Average daytime temperature (°C) | 6.8 | 8.3 | 15.4 | 17.6 | 21.3 | 24.7 | 29.5 | 28.4 | 27.6 | 19.9 | 15.2 | 10.2 |
| Average temperature (°C) | 2.2 | 3.7 | 9.4 | 12.3 | 16.1 | 20.2 | 24.4 | 24.4 | 22.9 | 14.6 | 10.0 | 5.4 |
| Average night temperature (°C) | -1.5 | 0.1 | 4.6 | 7.8 | 11.8 | 16.6 | 20.8 | 21.7 | 19.6 | 10.7 | 5.9 | 1.9 |
| Absolute minimum temperature (°C) | -11.3 | -4.7 | -2.8 | 2.2 | 5.9 | 11.7 | 18.6 | 19.8 | 16.1 | 4.6 | -1.0 | -4.1 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.4 | 7.3 | 8.3 | 8.1 | 8.3 | 6.8 | 9.6 | 8.2 | 9.4 | 8.9 | 7.7 | 7.3 |
| Precipitation (mm) | 90 | 63 | 175 | 332 | 272 | 545 | 92 | 452 | 79 | 98 | 125 | 82 |
| Sunny days | 18 | 17 | 14 | 13 | 12 | 11 | 5 | 0 | 8 | 16 | 15 | 19 |
| Rainy days | 8 | 10 | 17 | 17 | 19 | 19 | 26 | 31 | 22 | 15 | 15 | 12 |
| Snow days | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ōkuma is at