Climate almanac
Key West
Florida, US · 24.56°, -81.78°
What is the climate like in Key West?
Key West is warmest in August, when daily highs average 85°F (30°C), and coolest in January, when lows fall to about 69°F (21°C). The wettest month is typically September and the driest is February; the year sees roughly 37 in of precipitation.
- Warmest monthAugust — average high 85°F (30°C)
- Coolest monthJanuary — average low 69°F (21°C)
- Wettest monthSeptember (6.3 in)
- Driest monthFebruary (1.0 in)
- Annual precipitation37 in