Climate almanac
Key West
Florida, United States · 24.56°, -81.78°
What is the weather like in Key West in May?
In May, Key West is typically 81°F (27°C) during the day and 78°F (26°C) at night. The month brings about 3.7 in (94 mm) of precipitation in total.
- Average high81°F (27°C)
- Average low78°F (26°C)
- Precipitation3.7 in (94 mm)
- Clear or mostly clear days19
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)