Climate almanac
St. Marys
Georgia, United States · 30.73°, -81.55°
What is the weather like in St. Marys in December?
In December, St. Marys is typically 66°F (19°C) during the day and 53°F (12°C) at night. The month brings about 2.8 in (72 mm) of precipitation in total.
- Average high66°F (19°C)
- Average low53°F (12°C)
- Precipitation2.8 in (72 mm)
- Clear or mostly clear days10
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)