Average annual temperature is 14.2 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: -9.5 °C
Number of sunny days: 179 days
Number of rainy days: 184 days
Number of snow days: 2 days
Look at detailed online map of Poolesville
* Weather data for Poolesville 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) | 17.6 | 23.0 | 25.2 | 30.9 | 30.0 | 34.0 | 37.5 | 34.1 | 36.6 | 28.1 | 23.7 | 16.4 |
| Average daytime temperature (°C) | 9.5 | 11.8 | 12.9 | 21.9 | 23.3 | 27.6 | 31.8 | 30.5 | 26.6 | 20.9 | 13.2 | 10.1 |
| Average temperature (°C) | 5.3 | 6.2 | 6.9 | 14.9 | 16.6 | 21.1 | 25.5 | 24.3 | 20.8 | 15.0 | 7.4 | 5.6 |
| Average night temperature (°C) | 1.9 | 1.8 | 2.0 | 9.0 | 10.4 | 15.4 | 20.6 | 19.4 | 16.1 | 10.4 | 3.1 | 2.2 |
| Absolute minimum temperature (°C) | -2.9 | -9.5 | -5.0 | 1.2 | 4.7 | 10.6 | 18.2 | 15.2 | 10.4 | 5.1 | -5.2 | -3.5 |
| 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 | 12.4 | 11.2 | 10.1 | 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) | 5.1 | 6.6 | 7.6 | 9.5 | 10.5 | 10.8 | 11.9 | 11.0 | 9.0 | 8.6 | 7.7 | 5.6 |
| Precipitation (mm) | 69 | 53 | 72 | 107 | 32 | 127 | 102 | 52 | 134 | 29 | 59 | 140 |
| Sunny days | 12 | 17 | 13 | 18 | 15 | 12 | 5 | 13 | 15 | 17 | 23 | 19 |
| Rainy days | 18 | 10 | 18 | 12 | 16 | 18 | 26 | 18 | 15 | 14 | 7 | 12 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Poolesville during the most sunny months:
The largest precipitation sum in Poolesville is at