Climate almanac
Key West
Florida, United States · 24.56°, -81.78°
What is the weather like in Key West in March?
In March, Key West is typically 76°F (24°C) during the day and 73°F (23°C) at night. The month brings about 1.2 in (30 mm) of precipitation in total.
- Average high76°F (24°C)
- Average low73°F (23°C)
- Precipitation1.2 in (30 mm)
- Clear or mostly clear days21
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)