Average annual temperature is 11.7 °C
Absolute maximum temperature: 31.0 °C
Absolute minimum temperature: -11.9 °C
Number of sunny days: 132 days
Number of rainy days: 207 days
Number of snow days: 26 days
Look at detailed online map of Onuka
* Weather data for Onuka 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) | 11.6 | 11.1 | 18.3 | 22.1 | 25.7 | 26.4 | 31.0 | 30.2 | 28.3 | 21.5 | 21.0 | 15.7 |
| Average daytime temperature (°C) | 3.6 | 5.1 | 12.2 | 14.7 | 19.2 | 22.6 | 26.7 | 27.6 | 24.9 | 16.9 | 12.0 | 6.3 |
| Average temperature (°C) | -0.4 | 1.0 | 7.0 | 9.8 | 14.4 | 18.3 | 22.7 | 23.5 | 20.8 | 12.4 | 8.0 | 2.7 |
| Average night temperature (°C) | -3.4 | -2.2 | 2.8 | 5.9 | 10.5 | 15.1 | 19.5 | 20.7 | 18.1 | 8.8 | 4.8 | 0.0 |
| Absolute minimum temperature (°C) | -11.9 | -7.2 | -5.3 | -1.4 | 4.2 | 9.2 | 16.8 | 18.5 | 14.4 | 3.1 | -2.1 | -6.2 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.3 | 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) | 6.0 | 5.8 | 8.0 | 7.6 | 8.4 | 7.4 | 9.0 | 8.8 | 8.5 | 8.4 | 7.3 | 5.8 |
| Precipitation (mm) | 81 | 103 | 78 | 228 | 209 | 195 | 243 | 183 | 111 | 24 | 55 | 76 |
| Sunny days | 9 | 10 | 16 | 15 | 17 | 11 | 7 | 1 | 4 | 17 | 16 | 9 |
| Rainy days | 12 | 11 | 14 | 15 | 14 | 19 | 24 | 30 | 26 | 14 | 13 | 15 |
| Snow days | 10 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 |
The largest precipitation sum in Onuka is at