Average annual temperature is 17.6 °C
Absolute maximum temperature: 39.2 °C
Absolute minimum temperature: -4.8 °C
Number of sunny days: 208 days
Number of rainy days: 157 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) | 21.2 | 24.3 | 25.4 | 28.6 | 31.6 | 38.2 | 37.0 | 39.2 | 37.1 | 32.2 | 27.5 | 19.3 |
| Average daytime temperature (°C) | 13.0 | 14.9 | 17.2 | 21.8 | 27.8 | 32.5 | 34.0 | 33.6 | 30.5 | 24.1 | 16.7 | 13.3 |
| Average temperature (°C) | 8.0 | 9.2 | 11.6 | 15.9 | 21.7 | 26.2 | 27.8 | 27.9 | 24.4 | 18.6 | 11.2 | 8.2 |
| Average night temperature (°C) | 4.2 | 5.2 | 6.8 | 10.9 | 16.2 | 20.5 | 22.9 | 23.2 | 19.3 | 14.2 | 6.9 | 4.3 |
| Absolute minimum temperature (°C) | -4.5 | -4.8 | -4.4 | 5.4 | 6.8 | 16.7 | 17.7 | 17.8 | 14.8 | 0.1 | -2.2 | -2.3 |
| 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 | 14.3 | 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.1 | 5.9 | 7.8 | 8.7 | 11.2 | 12.5 | 11.3 | 11.1 | 10.8 | 7.9 | 7.8 | 6.9 |
| Precipitation (mm) | 217 | 109 | 246 | 114 | 64 | 123 | 103 | 67 | 32 | 87 | 44 | 70 |
| Sunny days | 15 | 13 | 15 | 14 | 14 | 16 | 15 | 20 | 21 | 21 | 21 | 23 |
| Rainy days | 16 | 15 | 16 | 16 | 17 | 14 | 16 | 11 | 9 | 10 | 9 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Opal during the most sunny months:
The largest precipitation sum in Opal is at