Average annual temperature is 11.6 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: -21.0 °C
Number of sunny days: 159 days
Number of rainy days: 196 days
Number of snow days: 10 days
Look at detailed online map of Rocky Glen
* Weather data for Rocky Glen 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) | 18.4 | 17.7 | 15.0 | 32.0 | 28.4 | 34.2 | 31.1 | 28.8 | 34.2 | 27.7 | 18.7 | 15.4 |
| Average daytime temperature (°C) | 7.1 | 6.7 | 9.0 | 17.4 | 20.9 | 24.6 | 28.2 | 25.6 | 22.8 | 18.3 | 9.9 | 8.3 |
| Average temperature (°C) | 3.2 | 1.8 | 3.8 | 11.2 | 14.5 | 18.7 | 23.3 | 21.0 | 18.2 | 13.5 | 5.0 | 3.9 |
| Average night temperature (°C) | -0.1 | -2.5 | -0.6 | 6.2 | 8.4 | 13.7 | 19.5 | 17.2 | 14.8 | 9.6 | 1.2 | 0.8 |
| Absolute minimum temperature (°C) | -5.1 | -21.0 | -7.0 | -2.1 | 2.4 | 7.6 | 14.9 | 12.7 | 8.1 | 3.4 | -4.4 | -6.3 |
| 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 | 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) | 4.6 | 6.4 | 7.4 | 8.5 | 12.0 | 10.4 | 11.1 | 9.6 | 7.7 | 7.5 | 7.1 | 4.9 |
| Precipitation (mm) | 147 | 45 | 105 | 122 | 54 | 67 | 224 | 109 | 245 | 99 | 57 | 201 |
| Sunny days | 9 | 14 | 14 | 15 | 19 | 6 | 6 | 11 | 13 | 16 | 18 | 18 |
| Rainy days | 20 | 9 | 16 | 15 | 12 | 24 | 25 | 20 | 17 | 15 | 11 | 12 |
| Snow days | 2 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Rocky Glen during the most sunny months:
The largest precipitation sum in Rocky Glen is at