Average annual temperature is 12.5 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -10.8 °C
Number of sunny days: 182 days
Number of rainy days: 177 days
Number of snow days: 6 days
Look at detailed online map of Potomac Park
* Weather data for Potomac Park 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) | 15.4 | 21.6 | 22.4 | 30.1 | 29.4 | 34.9 | 35.5 | 33.9 | 35.3 | 27.3 | 21.2 | 15.6 |
| Average daytime temperature (°C) | 7.6 | 10.8 | 11.5 | 20.7 | 22.8 | 26.7 | 31.1 | 29.8 | 25.5 | 19.5 | 11.9 | 8.6 |
| Average temperature (°C) | 3.4 | 4.5 | 5.2 | 12.9 | 15.8 | 19.9 | 24.1 | 22.8 | 18.9 | 13.3 | 5.5 | 3.7 |
| Average night temperature (°C) | 0.4 | -0.4 | 0.7 | 6.4 | 9.4 | 13.8 | 17.5 | 17.0 | 13.2 | 8.3 | 0.6 | 0.2 |
| Absolute minimum temperature (°C) | -5.2 | -10.8 | -7.2 | -2.0 | 1.4 | 9.4 | 13.7 | 10.5 | 7.6 | 0.3 | -6.1 | -6.0 |
| 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) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.7 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 4.9 | 7.2 | 7.7 | 9.3 | 10.9 | 11.0 | 12.2 | 11.1 | 9.1 | 8.0 | 7.6 | 5.0 |
| Precipitation (mm) | 68 | 52 | 97 | 67 | 47 | 85 | 76 | 59 | 86 | 38 | 51 | 85 |
| Sunny days | 13 | 17 | 11 | 21 | 18 | 14 | 7 | 11 | 18 | 16 | 21 | 15 |
| Rainy days | 17 | 9 | 18 | 9 | 13 | 16 | 24 | 20 | 12 | 15 | 9 | 15 |
| Snow days | 1 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Potomac Park during the most sunny months:
The largest precipitation sum in Potomac Park is at