Key West Weather in December
United States · 30-year monthly averages
🌟 Great time to visit
December in Key West is warm, with average daytime highs around 25°C (78°F) and nighttime lows near 20°C (68°F). Expect roughly 55mm of precipitation, with little rainfall.
Avg high
25°C
78°F
Avg low
20°C
68°F
Rainfall
55mm
dry
Mean temp
23°C
73°F
🎒 What to pack
- light summer clothing
- sunscreen and sunglasses
December vs the rest of the year
FAQ
- How hot is Key West in December?
- December in Key West is warm, with average daytime highs around 25°C (78°F) and nighttime lows near 20°C (68°F). Expect roughly 55mm of precipitation, with little rainfall.
- Does it rain a lot in Key West in December?
- Key West sees around 55mm of precipitation in December on average — dry by global standards.
- Is December a good time to visit Key West?
- December is one of the best months to visit Key West — comfortable temperatures and manageable rainfall.