Average annual temperature is 14.0 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: -10.1 °C
Number of sunny days: 184 days
Number of rainy days: 179 days
Number of snow days: 2 days
Look at detailed online map of Loudoun Heights
* Weather data for Loudoun Heights 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) | 18.2 | 22.5 | 24.7 | 30.6 | 29.5 | 33.5 | 37.2 | 33.6 | 36.7 | 28.3 | 22.6 | 16.9 |
| Average daytime temperature (°C) | 9.2 | 11.7 | 12.6 | 21.5 | 22.9 | 27.4 | 32.4 | 30.6 | 26.2 | 20.7 | 13.0 | 9.9 |
| Average temperature (°C) | 5.1 | 5.9 | 6.5 | 14.5 | 16.3 | 20.9 | 25.6 | 24.3 | 20.5 | 14.9 | 7.3 | 5.5 |
| Average night temperature (°C) | 2.0 | 1.4 | 1.7 | 8.6 | 10.4 | 15.3 | 20.5 | 19.2 | 15.9 | 10.4 | 2.9 | 2.2 |
| Absolute minimum temperature (°C) | -3.1 | -10.1 | -5.8 | 1.1 | 5.4 | 11.1 | 18.0 | 14.9 | 10.9 | 4.1 | -5.7 | -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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.5 | 11.2 | 10.0 | 9.5 |
| 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) | 5.0 | 7.1 | 7.8 | 9.4 | 10.3 | 11.0 | 12.1 | 11.3 | 9.0 | 8.3 | 7.7 | 5.4 |
| Precipitation (mm) | 48 | 53 | 78 | 108 | 36 | 149 | 84 | 34 | 109 | 40 | 66 | 117 |
| Sunny days | 11 | 15 | 12 | 17 | 17 | 13 | 7 | 13 | 16 | 19 | 24 | 20 |
| Rainy days | 19 | 12 | 19 | 13 | 14 | 17 | 24 | 18 | 14 | 12 | 6 | 11 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Loudoun Heights during the most sunny months:
The largest precipitation sum in Loudoun Heights is at