Average annual temperature is 12.3 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -11.6 °C
Number of sunny days: 177 days
Number of rainy days: 179 days
Number of snow days: 9 days
Look at detailed online map of Gettysburg
* Weather data for Gettysburg 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 | 19.6 | 20.8 | 26.3 | 30.2 | 32.0 | 33.2 | 32.6 | 32.8 | 29.2 | 23.6 | 15.8 |
| Average daytime temperature (°C) | 5.8 | 10.4 | 10.5 | 17.3 | 22.1 | 26.0 | 28.9 | 27.2 | 25.6 | 18.5 | 11.9 | 8.6 |
| Average temperature (°C) | 2.2 | 3.8 | 4.5 | 10.9 | 16.0 | 20.3 | 23.7 | 22.1 | 19.7 | 13.6 | 6.1 | 4.3 |
| Average night temperature (°C) | -0.9 | -0.8 | 0.1 | 5.5 | 10.2 | 14.7 | 19.0 | 17.3 | 14.4 | 9.4 | 2.1 | 1.3 |
| Absolute minimum temperature (°C) | -10.6 | -11.6 | -8.2 | 0.0 | 2.4 | 9.8 | 15.0 | 11.3 | 9.1 | -3.4 | -8.5 | -4.9 |
| 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 | 15.0 | 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 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 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) | 3.7 | 7.2 | 7.1 | 8.6 | 9.9 | 10.2 | 12.0 | 10.9 | 9.5 | 7.2 | 7.8 | 4.4 |
| Precipitation (mm) | 118 | 47 | 157 | 62 | 62 | 86 | 93 | 104 | 22 | 54 | 28 | 43 |
| Sunny days | 9 | 17 | 14 | 15 | 18 | 13 | 10 | 14 | 18 | 12 | 24 | 13 |
| Rainy days | 17 | 11 | 15 | 15 | 13 | 17 | 21 | 17 | 12 | 18 | 6 | 17 |
| Snow days | 5 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
The best time to visit Gettysburg during the most sunny months:
The largest precipitation sum in Gettysburg is at