Average annual temperature is 13.3 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: -13.2 °C
Number of sunny days: 121 days
Number of rainy days: 225 days
Number of snow days: 19 days
Look at detailed online map of Okutsu
* Weather data for Okutsu 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) | 13.8 | 13.2 | 20.2 | 23.4 | 28.0 | 28.9 | 31.9 | 31.6 | 29.9 | 24.3 | 22.1 | 17.0 |
| Average daytime temperature (°C) | 5.5 | 6.5 | 13.7 | 16.1 | 20.5 | 24.3 | 28.2 | 29.3 | 26.3 | 18.7 | 13.5 | 8.2 |
| Average temperature (°C) | 1.1 | 2.5 | 8.6 | 11.3 | 15.7 | 19.9 | 24.2 | 25.1 | 22.5 | 14.3 | 9.4 | 4.4 |
| Average night temperature (°C) | -2.6 | -0.5 | 4.6 | 7.4 | 12.1 | 16.5 | 20.9 | 22.6 | 20.0 | 11.1 | 6.0 | 1.4 |
| Absolute minimum temperature (°C) | -13.2 | -4.7 | -2.8 | 2.1 | 6.1 | 10.9 | 17.5 | 21.1 | 17.2 | 6.2 | -2.3 | -4.8 |
| 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) | 6.2 | 5.7 | 8.1 | 7.4 | 8.6 | 7.2 | 8.7 | 9.5 | 8.3 | 8.7 | 6.8 | 6.3 |
| Precipitation (mm) | 82 | 77 | 104 | 310 | 267 | 257 | 294 | 268 | 89 | 30 | 103 | 81 |
| Sunny days | 10 | 10 | 16 | 14 | 13 | 8 | 7 | 1 | 3 | 16 | 11 | 12 |
| Rainy days | 15 | 11 | 14 | 16 | 18 | 22 | 24 | 30 | 27 | 15 | 18 | 15 |
| Snow days | 6 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
The largest precipitation sum in Okutsu is at