Average annual temperature is 15.8 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -5.1 °C
Number of sunny days: 158 days
Number of rainy days: 201 days
Number of snow days: 6 days
Look at detailed online map of Oku
* Weather data for Oku 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 | 15.2 | 21.8 | 26.2 | 29.8 | 30.4 | 35.7 | 36.7 | 33.5 | 26.0 | 25.4 | 19.7 |
| Average daytime temperature (°C) | 9.3 | 10.3 | 16.8 | 19.2 | 23.1 | 26.2 | 31.4 | 32.0 | 29.8 | 22.0 | 17.2 | 12.3 |
| Average temperature (°C) | 3.9 | 5.1 | 10.4 | 13.8 | 17.9 | 22.2 | 26.8 | 27.8 | 25.4 | 16.3 | 11.9 | 6.9 |
| Average night temperature (°C) | -0.5 | 0.9 | 5.2 | 9.0 | 13.3 | 18.7 | 22.9 | 24.6 | 22.1 | 11.7 | 7.8 | 2.6 |
| Absolute minimum temperature (°C) | -5.1 | -4.1 | -1.3 | 3.0 | 6.7 | 12.6 | 17.5 | 23.2 | 17.6 | 7.2 | 0.8 | -2.8 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.7 | 7.4 | 8.4 | 8.2 | 8.9 | 7.3 | 10.0 | 9.9 | 9.4 | 8.5 | 8.0 | 7.1 |
| Precipitation (mm) | 36 | 69 | 109 | 174 | 229 | 391 | 154 | 255 | 184 | 64 | 94 | 61 |
| Sunny days | 14 | 15 | 16 | 16 | 16 | 12 | 9 | 4 | 9 | 18 | 15 | 14 |
| Rainy days | 13 | 12 | 15 | 14 | 15 | 18 | 22 | 27 | 21 | 13 | 15 | 16 |
| Snow days | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Oku is at