Average annual temperature is 11.1 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: -20.9 °C
Number of sunny days: 152 days
Number of rainy days: 188 days
Number of snow days: 25 days
Look at detailed online map of O
* Weather data for O 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) | 10.8 | 12.9 | 20.3 | 25.1 | 29.1 | 27.4 | 32.1 | 33.6 | 33.6 | 21.7 | 22.8 | 17.9 |
| Average daytime temperature (°C) | 3.6 | 4.9 | 12.5 | 15.9 | 19.9 | 23.5 | 28.7 | 31.1 | 27.8 | 17.5 | 13.2 | 7.1 |
| Average temperature (°C) | -3.0 | -1.1 | 5.6 | 9.2 | 13.5 | 18.4 | 23.3 | 25.2 | 22.0 | 11.4 | 6.8 | 1.0 |
| Average night temperature (°C) | -7.6 | -5.6 | 0.2 | 3.8 | 8.3 | 14.5 | 18.9 | 20.5 | 17.8 | 6.7 | 2.1 | -3.1 |
| Absolute minimum temperature (°C) | -20.9 | -10.8 | -7.1 | -6.8 | -0.1 | 7.2 | 15.3 | 17.1 | 11.5 | 1.5 | -6.6 | -11.1 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.2 | 7.4 | 8.7 | 8.9 | 9.4 | 8.3 | 9.8 | 11.2 | 9.3 | 8.8 | 7.7 | 6.7 |
| Precipitation (mm) | 48 | 80 | 99 | 132 | 175 | 222 | 113 | 69 | 121 | 63 | 103 | 65 |
| Sunny days | 11 | 13 | 18 | 15 | 19 | 10 | 5 | 5 | 7 | 17 | 17 | 15 |
| Rainy days | 7 | 8 | 13 | 15 | 12 | 20 | 26 | 26 | 23 | 14 | 13 | 11 |
| Snow days | 13 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The best time to visit O during the most sunny months:
The largest precipitation sum in O is at