Climate almanac
Key West
Florida, United States · 24.56°, -81.78°
What is the weather like in Key West in January?
In January, Key West is typically 73°F (23°C) during the day and 69°F (21°C) at night. The month brings about 1.8 in (45 mm) of precipitation in total.
- Average high73°F (23°C)
- Average low69°F (21°C)
- Precipitation1.8 in (45 mm)
- Clear or mostly clear days12
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)