Average annual temperature is 4.7 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: -26.2 °C
Number of sunny days: 200 days
Number of rainy days: 103 days
Number of snow days: 62 days
Look at detailed online map of Opal
* Weather data for Opal United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 0.9 | 0.7 | 3.6 | 14.8 | 23.0 | 26.7 | 34.5 | 31.6 | 28.1 | 20.9 | 14.2 | 2.8 |
| Average daytime temperature (°C) | -6.3 | -5.2 | -3.4 | 2.9 | 17.3 | 21.3 | 29.8 | 26.5 | 21.6 | 14.3 | 5.7 | -1.5 |
| Average temperature (°C) | -9.4 | -9.6 | -7.9 | -1.7 | 10.9 | 14.5 | 22.5 | 19.5 | 14.6 | 7.5 | 0.0 | -5.6 |
| Average night temperature (°C) | -11.8 | -13.0 | -11.5 | -5.6 | 4.9 | 8.2 | 14.8 | 12.9 | 8.1 | 2.1 | -4.3 | -8.7 |
| Absolute minimum temperature (°C) | -26.2 | -24.2 | -16.9 | -14.5 | -1.0 | 3.8 | 8.8 | 6.4 | 0.1 | -8.9 | -18.0 | -15.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 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) | 9.5 | 10.6 | 11.9 | 13.3 | 14.5 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.9 | 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) | 5.7 | 8.4 | 9.2 | 10.7 | 12.5 | 12.6 | 13.5 | 12.1 | 10.8 | 9.0 | 7.4 | 6.5 |
| Precipitation (mm) | 56 | 24 | 25 | 35 | 55 | 44 | 14 | 27 | 13 | 13 | 18 | 13 |
| Sunny days | 11 | 16 | 13 | 20 | 8 | 9 | 19 | 20 | 18 | 23 | 22 | 21 |
| Rainy days | 2 | 1 | 4 | 2 | 23 | 21 | 12 | 11 | 12 | 8 | 6 | 1 |
| Snow days | 18 | 11 | 14 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 9 |
The best time to visit Opal during the most sunny months:
The largest precipitation sum in Opal is at