Average annual temperature is 14.9 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -8.9 °C
Number of sunny days: 183 days
Number of rainy days: 179 days
Number of snow days: 3 days
Look at detailed online map of Boonsboro
* Weather data for Boonsboro 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) | 17.9 | 21.8 | 22.0 | 29.6 | 29.0 | 32.7 | 35.3 | 33.1 | 34.7 | 27.9 | 23.2 | 16.6 |
| Average daytime temperature (°C) | 10.8 | 11.7 | 13.2 | 21.2 | 22.2 | 27.0 | 31.0 | 29.5 | 26.4 | 21.6 | 13.7 | 11.1 |
| Average temperature (°C) | 6.7 | 6.9 | 7.7 | 15.2 | 16.7 | 21.3 | 25.9 | 24.7 | 21.5 | 16.3 | 8.6 | 7.0 |
| Average night temperature (°C) | 3.3 | 2.5 | 2.9 | 10.4 | 11.7 | 16.4 | 21.8 | 20.7 | 17.6 | 12.2 | 4.6 | 3.6 |
| Absolute minimum temperature (°C) | -3.7 | -8.9 | -2.7 | 3.0 | 5.8 | 11.1 | 19.5 | 16.3 | 12.6 | 5.9 | -4.1 | -2.2 |
| 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 | 14.8 | 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) | 5.5 | 7.1 | 7.7 | 9.7 | 11.3 | 11.2 | 11.8 | 10.4 | 8.3 | 9.1 | 7.6 | 5.6 |
| Precipitation (mm) | 69 | 68 | 91 | 120 | 49 | 132 | 129 | 87 | 75 | 22 | 52 | 192 |
| Sunny days | 15 | 15 | 16 | 17 | 15 | 12 | 9 | 12 | 14 | 21 | 21 | 16 |
| Rainy days | 16 | 12 | 14 | 13 | 16 | 18 | 22 | 19 | 16 | 10 | 8 | 15 |
| Snow days | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Boonsboro during the most sunny months:
The largest precipitation sum in Boonsboro is at