Climate almanac
Gettysburg
Pennsylvania, United States · 39.83°, -77.23°
What is the weather like in Gettysburg in December?
In December, Gettysburg is typically 44°F (7°C) during the day and 31°F (0°C) at night. The month brings about 3.7 in (94 mm) of precipitation in total. Snowfall averages about 2.5 in (63 mm) over the month.
- Average high44°F (7°C)
- Average low31°F (0°C)
- Precipitation3.7 in (94 mm)
- Clear or mostly clear days7
- Snowfall2.5 in (63 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)