Average annual temperature is 7.1 °C
Absolute maximum temperature: 32.0 °C
Absolute minimum temperature: -18.6 °C
Number of sunny days: 204 days
Number of rainy days: 98 days
Number of snow days: 63 days
Look at detailed online map of Rock Wall
* Weather data for Rock Wall 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) | 6.2 | 6.7 | 8.8 | 15.3 | 20.7 | 27.5 | 32.0 | 30.0 | 27.3 | 21.2 | 15.9 | 8.1 |
| Average daytime temperature (°C) | -0.6 | 1.1 | 3.3 | 9.7 | 16.9 | 21.8 | 29.1 | 25.9 | 21.7 | 16.4 | 8.5 | 2.0 |
| Average temperature (°C) | -5.0 | -4.1 | -1.2 | 3.1 | 10.4 | 15.4 | 21.8 | 19.1 | 15.4 | 10.3 | 2.7 | -3.7 |
| Average night temperature (°C) | -8.5 | -8.5 | -4.7 | -2.3 | 4.4 | 8.1 | 14.2 | 12.4 | 9.6 | 4.6 | -1.8 | -8.2 |
| Absolute minimum temperature (°C) | -18.0 | -18.6 | -14.6 | -11.4 | 0.6 | 2.2 | 8.2 | 9.1 | 5.5 | -6.2 | -12.4 | -16.8 |
| 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 | 9.7 |
| 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) | 7.2 | 8.5 | 9.3 | 11.5 | 11.9 | 13.3 | 13.3 | 12.0 | 11.2 | 10.3 | 8.8 | 8.0 |
| Precipitation (mm) | 58 | 66 | 124 | 21 | 44 | 16 | 15 | 31 | 19 | 10 | 18 | 38 |
| Sunny days | 15 | 12 | 13 | 19 | 9 | 15 | 19 | 13 | 20 | 24 | 23 | 22 |
| Rainy days | 1 | 0 | 6 | 4 | 22 | 15 | 12 | 18 | 10 | 6 | 2 | 2 |
| Snow days | 15 | 16 | 12 | 7 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 7 |
The best time to visit Rock Wall during the most sunny months:
The largest precipitation sum in Rock Wall is at