Climate almanac
Altoona
Pennsylvania, United States · 40.52°, -78.39°
What is the weather like in Altoona in December?
In December, Altoona is typically 39°F (4°C) during the day and 27°F (-3°C) at night. The month brings about 3.7 in (93 mm) of precipitation in total. Snowfall averages about 7.0 in (177 mm) over the month.
- Average high39°F (4°C)
- Average low27°F (-3°C)
- Precipitation3.7 in (93 mm)
- Clear or mostly clear days3
- Snowfall7.0 in (177 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)