Average annual temperature is 13.7 °C
Absolute maximum temperature: 32.9 °C
Absolute minimum temperature: -8.2 °C
Number of sunny days: 131 days
Number of rainy days: 219 days
Number of snow days: 15 days
Look at detailed online map of Ōshio
* Weather data for Ōshio 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) | 15.4 | 13.6 | 19.6 | 22.1 | 26.7 | 28.3 | 32.0 | 32.9 | 30.6 | 23.3 | 23.1 | 18.0 |
| Average daytime temperature (°C) | 6.0 | 8.0 | 14.2 | 16.7 | 20.7 | 24.0 | 28.1 | 28.6 | 26.8 | 19.0 | 14.0 | 8.4 |
| Average temperature (°C) | 2.4 | 3.7 | 9.1 | 11.9 | 16.0 | 19.9 | 24.1 | 24.7 | 22.4 | 14.6 | 10.1 | 5.0 |
| Average night temperature (°C) | -0.3 | 0.4 | 5.3 | 8.3 | 12.5 | 17.1 | 21.2 | 22.3 | 19.7 | 11.6 | 6.8 | 2.1 |
| Absolute minimum temperature (°C) | -8.2 | -3.5 | -2.2 | 3.8 | 7.4 | 11.6 | 18.1 | 20.2 | 15.6 | 8.1 | 0.1 | -4.7 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.2 | 6.2 | 7.8 | 7.7 | 8.1 | 6.9 | 8.6 | 8.5 | 8.4 | 8.2 | 7.5 | 5.6 |
| Precipitation (mm) | 85 | 97 | 102 | 238 | 231 | 273 | 239 | 204 | 98 | 22 | 53 | 80 |
| Sunny days | 12 | 12 | 17 | 13 | 15 | 8 | 4 | 2 | 5 | 18 | 15 | 10 |
| Rainy days | 12 | 15 | 13 | 17 | 16 | 22 | 27 | 29 | 25 | 13 | 14 | 16 |
| Snow days | 7 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The largest precipitation sum in Ōshio is at