Average annual temperature is 12.1 °C
Absolute maximum temperature: 33.8 °C
Absolute minimum temperature: -17.9 °C
Number of sunny days: 99 days
Number of rainy days: 232 days
Number of snow days: 34 days
Look at detailed online map of Ōnishi
* Weather data for Ōnishi 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) | 10.9 | 11.4 | 19.5 | 22.2 | 29.1 | 29.5 | 33.8 | 33.4 | 31.9 | 23.3 | 21.3 | 14.1 |
| Average daytime temperature (°C) | 3.0 | 3.3 | 12.3 | 15.7 | 19.8 | 23.9 | 28.2 | 31.4 | 26.5 | 18.2 | 12.3 | 6.1 |
| Average temperature (°C) | -0.9 | -1.3 | 6.0 | 9.8 | 14.1 | 19.6 | 24.0 | 26.9 | 22.2 | 13.1 | 8.1 | 2.5 |
| Average night temperature (°C) | -4.3 | -6.1 | 0.5 | 4.6 | 8.7 | 15.9 | 20.4 | 23.8 | 19.0 | 8.7 | 4.6 | -0.9 |
| Absolute minimum temperature (°C) | -12.6 | -17.9 | -6.3 | -2.5 | -0.4 | 10.0 | 16.4 | 21.6 | 9.7 | 2.9 | -7.1 | -5.9 |
| 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) | 9.7 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 5.9 | 7.0 | 8.7 | 8.7 | 8.7 | 8.0 | 9.2 | 10.9 | 6.9 | 8.2 | 5.5 | 4.7 |
| Precipitation (mm) | 53 | 58 | 83 | 132 | 128 | 155 | 216 | 121 | 156 | 66 | 133 | 109 |
| Sunny days | 6 | 7 | 19 | 10 | 12 | 3 | 8 | 3 | 3 | 14 | 7 | 7 |
| Rainy days | 12 | 10 | 12 | 20 | 19 | 27 | 23 | 28 | 27 | 17 | 22 | 15 |
| Snow days | 13 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 9 |
The best time to visit Ōnishi during the most sunny months:
The largest precipitation sum in Ōnishi is at