Climate almanac
Alpharetta
Georgia, United States · 34.08°, -84.29°
What is the weather like in Alpharetta in December?
In December, Alpharetta is typically 56°F (13°C) during the day and 40°F (4°C) at night. The month brings about 5.0 in (127 mm) of precipitation in total. Snowfall averages about 0.5 in (12 mm) over the month.
- Average high56°F (13°C)
- Average low40°F (4°C)
- Precipitation5.0 in (127 mm)
- Clear or mostly clear days9
- Snowfall0.5 in (12 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)