Climate almanac
Marathon
Florida, United States · 24.71°, -81.09°
What is the weather like in Marathon in December?
In December, Marathon is typically 75°F (24°C) during the day and 72°F (22°C) at night. The month brings about 2.2 in (56 mm) of precipitation in total.
- Average high75°F (24°C)
- Average low72°F (22°C)
- Precipitation2.2 in (56 mm)
- Clear or mostly clear days16
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)