Average annual temperature is 8.3 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: -16.2 °C
Number of sunny days: 105 days
Number of rainy days: 189 days
Number of snow days: 71 days
Look at detailed online map of Ōmu
* Weather data for Ōmu 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) | 6.1 | 7.3 | 14.7 | 18.1 | 25.3 | 28.0 | 31.0 | 32.8 | 27.3 | 22.1 | 19.4 | 11.5 |
| Average daytime temperature (°C) | -4.3 | -2.8 | 6.5 | 10.7 | 16.6 | 20.9 | 23.8 | 25.9 | 22.9 | 15.5 | 8.5 | -0.3 |
| Average temperature (°C) | -7.5 | -5.8 | 2.2 | 6.4 | 11.8 | 16.8 | 20.6 | 22.6 | 18.9 | 11.6 | 4.7 | -3.2 |
| Average night temperature (°C) | -10.3 | -8.5 | -0.9 | 3.5 | 8.2 | 13.7 | 18.1 | 20.4 | 15.6 | 8.6 | 1.6 | -6.2 |
| Absolute minimum temperature (°C) | -16.2 | -13.8 | -7.5 | -5.1 | 1.0 | 4.7 | 11.5 | 15.7 | 8.3 | 2.7 | -7.6 | -13.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.3 | 10.4 | 11.9 | 13.5 | 14.8 | 15.5 | 15.2 | 14.0 | 12.5 | 11.0 | 9.6 | 8.9 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 6.5 | 5.8 | 8.3 | 7.5 | 10.1 | 9.8 | 8.1 | 7.6 | 7.9 | 7.4 | 5.6 | 4.5 |
| Precipitation (mm) | 29 | 67 | 49 | 133 | 45 | 147 | 58 | 199 | 146 | 133 | 121 | 63 |
| Sunny days | 7 | 4 | 16 | 8 | 12 | 10 | 9 | 6 | 10 | 10 | 5 | 8 |
| Rainy days | 0 | 3 | 11 | 21 | 19 | 20 | 22 | 25 | 20 | 21 | 19 | 8 |
| Snow days | 24 | 21 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 15 |
The best time to visit Ōmu during the most sunny months:
Months with the longest average daylight duration in Ōmu:
The largest precipitation sum in Ōmu is at