Climate almanac
Saint Simons Island
Georgia, United States · 31.15°, -81.37°
What is the weather like in Saint Simons Island in December?
In December, Saint Simons Island is typically 62°F (16°C) during the day and 55°F (13°C) at night. The month brings about 3.9 in (99 mm) of precipitation in total.
- Average high62°F (16°C)
- Average low55°F (13°C)
- Precipitation3.9 in (99 mm)
- Clear or mostly clear days11
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)