Average annual temperature is 9.7 °C
Absolute maximum temperature: 31.8 °C
Absolute minimum temperature: -14.6 °C
Number of sunny days: 141 days
Number of rainy days: 190 days
Number of snow days: 34 days
Look at detailed online map of Onaobetsu
* Weather data for Onaobetsu 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) | 6.9 | 6.3 | 15.1 | 15.9 | 22.6 | 25.2 | 31.4 | 31.8 | 28.2 | 23.0 | 18.6 | 11.9 |
| Average daytime temperature (°C) | -1.9 | -0.8 | 6.3 | 11.6 | 15.6 | 20.3 | 25.1 | 26.2 | 23.2 | 16.2 | 10.3 | 2.2 |
| Average temperature (°C) | -5.4 | -3.6 | 2.9 | 8.1 | 11.9 | 17.1 | 21.8 | 23.4 | 20.3 | 13.0 | 7.1 | -0.8 |
| Average night temperature (°C) | -8.9 | -7.0 | -0.3 | 4.9 | 8.8 | 14.4 | 19.2 | 21.3 | 18.1 | 10.4 | 4.1 | -3.8 |
| Absolute minimum temperature (°C) | -14.6 | -14.3 | -6.6 | -1.3 | 2.4 | 7.7 | 14.1 | 15.4 | 13.1 | 4.2 | -4.3 | -9.4 |
| 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) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.1 | 7.5 | 8.5 | 8.2 | 9.5 | 8.7 | 9.6 | 7.8 | 7.1 | 8.2 | 6.8 | 6.5 |
| Precipitation (mm) | 51 | 89 | 120 | 199 | 76 | 90 | 89 | 245 | 243 | 137 | 173 | 70 |
| Sunny days | 16 | 13 | 17 | 11 | 10 | 9 | 14 | 3 | 7 | 12 | 11 | 18 |
| Rainy days | 3 | 3 | 10 | 19 | 21 | 21 | 17 | 28 | 23 | 19 | 18 | 8 |
| Snow days | 12 | 12 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The largest precipitation sum in Onaobetsu is at