Average annual temperature is 13.6 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: -13.6 °C
Number of sunny days: 206 days
Number of rainy days: 149 days
Number of snow days: 10 days
Look at detailed online map of Chambersburg
* Weather data for Chambersburg 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) | 19.0 | 14.7 | 22.1 | 28.5 | 30.7 | 33.5 | 36.8 | 37.6 | 32.8 | 30.7 | 24.4 | 16.1 |
| Average daytime temperature (°C) | 6.7 | 9.3 | 11.3 | 19.7 | 25.3 | 29.7 | 30.8 | 29.2 | 26.8 | 19.5 | 12.6 | 8.8 |
| Average temperature (°C) | 1.7 | 3.2 | 5.4 | 12.5 | 19.0 | 23.4 | 25.2 | 24.1 | 21.1 | 14.6 | 7.1 | 4.8 |
| Average night temperature (°C) | -1.4 | -1.4 | 1.2 | 6.4 | 12.9 | 17.4 | 20.3 | 19.8 | 16.1 | 10.3 | 2.7 | 2.0 |
| Absolute minimum temperature (°C) | -12.3 | -13.6 | -9.3 | -0.4 | 5.3 | 10.8 | 16.0 | 12.5 | 11.4 | -1.4 | -7.8 | -6.3 |
| 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) | 5.2 | 7.6 | 6.8 | 10.2 | 11.6 | 12.9 | 12.2 | 10.2 | 10.4 | 7.4 | 7.6 | 5.1 |
| Precipitation (mm) | 45 | 110 | 88 | 47 | 26 | 30 | 94 | 112 | 16 | 94 | 14 | 81 |
| Sunny days | 14 | 18 | 13 | 16 | 20 | 22 | 13 | 11 | 19 | 18 | 25 | 17 |
| Rainy days | 10 | 9 | 17 | 14 | 11 | 8 | 18 | 20 | 11 | 13 | 4 | 14 |
| Snow days | 7 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Chambersburg during the most sunny months:
The largest precipitation sum in Chambersburg is at