Average annual temperature is 13.0 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: -9.9 °C
Number of sunny days: 107 days
Number of rainy days: 227 days
Number of snow days: 31 days
Look at detailed online map of Ōshū
* Weather data for Ōshū 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) | 11.7 | 13.4 | 20.0 | 22.7 | 31.3 | 31.0 | 34.9 | 34.3 | 32.7 | 24.1 | 22.4 | 14.6 |
| Average daytime temperature (°C) | 4.0 | 4.6 | 13.3 | 16.8 | 20.7 | 24.8 | 29.0 | 32.1 | 27.6 | 19.1 | 13.4 | 6.8 |
| Average temperature (°C) | 0.4 | 0.3 | 7.0 | 10.8 | 15.0 | 20.4 | 24.6 | 27.7 | 23.2 | 14.0 | 9.0 | 3.2 |
| Average night temperature (°C) | -2.6 | -3.3 | 2.0 | 5.9 | 10.4 | 16.7 | 21.0 | 24.6 | 20.1 | 10.1 | 5.7 | 0.1 |
| Absolute minimum temperature (°C) | -9.7 | -9.9 | -4.5 | 0.5 | 1.5 | 11.9 | 16.8 | 21.7 | 12.5 | 5.1 | -0.9 | -5.5 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.7 | 6.8 | 8.5 | 8.8 | 8.8 | 8.2 | 9.4 | 11.1 | 7.3 | 8.5 | 5.7 | 4.3 |
| Precipitation (mm) | 40 | 61 | 93 | 113 | 139 | 160 | 156 | 102 | 183 | 47 | 126 | 102 |
| Sunny days | 7 | 9 | 18 | 16 | 13 | 5 | 4 | 4 | 3 | 15 | 8 | 5 |
| Rainy days | 12 | 9 | 12 | 14 | 18 | 25 | 27 | 27 | 27 | 16 | 20 | 20 |
| Snow days | 12 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 6 |
The best time to visit Ōshū during the most sunny months:
The largest precipitation sum in Ōshū is at