Average annual temperature is 11.2 °C
Absolute maximum temperature: 31.3 °C
Absolute minimum temperature: -16.8 °C
Number of sunny days: 133 days
Number of rainy days: 201 days
Number of snow days: 31 days
Look at detailed online map of Onmago
* Weather data for Onmago 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) | 13.3 | 10.4 | 19.5 | 23.5 | 26.9 | 26.9 | 31.3 | 30.5 | 30.2 | 24.7 | 21.8 | 15.8 |
| Average daytime temperature (°C) | 3.8 | 5.0 | 12.0 | 15.3 | 18.8 | 22.8 | 27.7 | 28.7 | 26.3 | 17.0 | 13.0 | 8.0 |
| Average temperature (°C) | -1.2 | -0.1 | 5.9 | 9.3 | 13.2 | 17.9 | 22.5 | 23.4 | 21.1 | 11.4 | 7.4 | 2.5 |
| Average night temperature (°C) | -4.5 | -4.0 | 1.1 | 4.1 | 8.4 | 13.9 | 18.2 | 19.1 | 17.2 | 7.1 | 3.6 | -1.2 |
| Absolute minimum temperature (°C) | -13.5 | -16.8 | -4.8 | -1.4 | 1.9 | 7.1 | 15.3 | 17.0 | 11.5 | 1.8 | -5.0 | -6.4 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.3 | 7.0 | 8.5 | 8.9 | 9.3 | 8.3 | 9.9 | 11.2 | 9.3 | 8.7 | 7.3 | 6.7 |
| Precipitation (mm) | 37 | 97 | 146 | 161 | 245 | 287 | 159 | 66 | 125 | 113 | 98 | 78 |
| Sunny days | 13 | 10 | 15 | 15 | 15 | 8 | 4 | 6 | 4 | 15 | 13 | 15 |
| Rainy days | 6 | 7 | 16 | 15 | 16 | 22 | 27 | 25 | 26 | 16 | 16 | 9 |
| Snow days | 12 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 |
The best time to visit Onmago during the most sunny months:
The largest precipitation sum in Onmago is at