Average annual temperature is 16.5 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: -6.7 °C
Number of sunny days: 178 days
Number of rainy days: 187 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) | 21.1 | 26.8 | 26.6 | 30.7 | 29.4 | 31.7 | 36.1 | 36.5 | 35.2 | 28.4 | 26.9 | 21.8 |
| Average daytime temperature (°C) | 13.5 | 15.2 | 16.1 | 22.9 | 22.7 | 27.5 | 32.1 | 31.3 | 27.7 | 22.7 | 15.8 | 13.4 |
| Average temperature (°C) | 8.6 | 10.0 | 10.5 | 16.7 | 17.9 | 22.0 | 26.8 | 25.9 | 22.7 | 17.1 | 10.5 | 8.5 |
| Average night temperature (°C) | 4.9 | 5.5 | 5.8 | 11.7 | 13.9 | 17.7 | 22.7 | 21.8 | 18.8 | 12.9 | 6.5 | 4.7 |
| Absolute minimum temperature (°C) | -1.6 | -6.7 | -1.7 | 3.6 | 7.5 | 11.4 | 19.2 | 18.0 | 14.3 | 6.3 | -3.4 | -1.1 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 6.1 | 7.1 | 8.4 | 9.5 | 10.2 | 11.3 | 11.8 | 10.8 | 8.9 | 9.0 | 7.9 | 6.5 |
| Precipitation (mm) | 74 | 52 | 55 | 140 | 66 | 175 | 102 | 123 | 143 | 32 | 52 | 119 |
| Sunny days | 16 | 15 | 14 | 14 | 15 | 11 | 7 | 11 | 13 | 21 | 24 | 17 |
| Rainy days | 15 | 13 | 17 | 16 | 16 | 19 | 24 | 20 | 17 | 10 | 6 | 14 |
| Snow days | 0 | 0 | 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