Average annual temperature is 14.6 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: -9.1 °C
Number of sunny days: 180 days
Number of rainy days: 185 days
Look at detailed online map of Brandywine County
* Weather data for Brandywine County 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) | 19.3 | 23.7 | 24.6 | 30.4 | 27.9 | 33.1 | 36.9 | 32.9 | 36.4 | 28.0 | 25.8 | 16.8 |
| Average daytime temperature (°C) | 10.9 | 12.4 | 13.9 | 22.1 | 22.4 | 27.5 | 31.4 | 29.7 | 26.4 | 21.5 | 13.8 | 11.0 |
| Average temperature (°C) | 6.4 | 7.0 | 7.7 | 15.3 | 16.5 | 21.2 | 25.3 | 24.0 | 20.9 | 15.6 | 8.1 | 6.3 |
| Average night temperature (°C) | 2.9 | 2.5 | 2.6 | 10.1 | 11.1 | 15.7 | 20.8 | 19.7 | 16.5 | 11.1 | 3.9 | 2.6 |
| Absolute minimum temperature (°C) | -3.5 | -9.1 | -3.9 | 2.4 | 5.2 | 11.5 | 17.8 | 15.2 | 11.5 | 5.9 | -5.5 | -3.8 |
| 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 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.6 | 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) | 5.2 | 6.6 | 7.7 | 9.2 | 10.8 | 10.9 | 11.7 | 10.7 | 8.2 | 8.9 | 7.5 | 5.4 |
| Precipitation (mm) | 78 | 67 | 68 | 162 | 51 | 126 | 186 | 81 | 151 | 57 | 59 | 197 |
| Sunny days | 14 | 16 | 17 | 16 | 16 | 11 | 5 | 10 | 17 | 17 | 24 | 17 |
| Rainy days | 17 | 12 | 14 | 14 | 15 | 19 | 26 | 21 | 13 | 14 | 6 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Brandywine County during the most sunny months:
The largest precipitation sum in Brandywine County is at