Average annual temperature is 11.5 °C
Absolute maximum temperature: 29.9 °C
Absolute minimum temperature: -9.4 °C
Number of sunny days: 115 days
Number of rainy days: 201 days
Number of snow days: 49 days
Look at detailed online map of Ōma
* Weather data for Ōma 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) | 10.0 | 8.3 | 12.7 | 14.5 | 17.6 | 21.3 | 26.4 | 29.9 | 27.1 | 22.3 | 20.4 | 13.6 |
| Average daytime temperature (°C) | 1.0 | 1.8 | 8.0 | 10.4 | 13.6 | 18.0 | 22.9 | 26.7 | 24.0 | 17.1 | 11.5 | 4.5 |
| Average temperature (°C) | -0.8 | 0.3 | 5.7 | 8.6 | 11.7 | 16.3 | 21.4 | 25.0 | 22.3 | 15.3 | 9.1 | 2.6 |
| Average night temperature (°C) | -2.4 | -1.5 | 3.9 | 7.1 | 10.1 | 15.0 | 20.1 | 23.7 | 20.9 | 13.6 | 6.8 | 0.7 |
| Absolute minimum temperature (°C) | -9.4 | -5.6 | 0.1 | 4.3 | 5.0 | 12.4 | 16.8 | 20.8 | 16.8 | 6.5 | -1.1 | -3.7 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| 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) | 6.7 | 7.1 | 9.2 | 9.5 | 9.7 | 8.9 | 10.5 | 10.2 | 7.7 | 8.4 | 6.1 | 5.6 |
| Precipitation (mm) | 175 | 96 | 63 | 117 | 71 | 95 | 77 | 43 | 117 | 125 | 156 | 144 |
| Sunny days | 2 | 3 | 18 | 9 | 15 | 10 | 16 | 12 | 13 | 9 | 4 | 4 |
| Rainy days | 8 | 11 | 12 | 21 | 16 | 20 | 15 | 19 | 17 | 22 | 23 | 17 |
| Snow days | 21 | 14 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 10 |
The best time to visit Ōma during the most sunny months:
The largest precipitation sum in Ōma is at