Climate almanac
Key West
Florida, United States · 24.56°, -81.78°
What is the weather like in Key West in December?
In December, Key West is typically 76°F (24°C) during the day and 72°F (22°C) at night. The month brings about 2.0 in (50 mm) of precipitation in total.
- Average high76°F (24°C)
- Average low72°F (22°C)
- Precipitation2.0 in (50 mm)
- Clear or mostly clear days16
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)