Key West, United States

Key West by month

Key West in December

December in Key West brings highs around 78°F (25°C), lows near 68°F and about 6 rainy days. The sun sets around 5:41 pm. The sea is about 74°F (23°C). It's one of the most comfortable months for sightseeing.

Photo: Julian Lupyan, CC0

What December is good for in Key West

Each activity rated for December's weather and sea.

December next to November and January

Month	November	December	January
High	81°F (27°C)	78°F (25°C)	76°F (24°C)
Low	72°F (22°C)	68°F (20°C)	65°F (19°C)
Rainy days	6	6	7
Sea	77°F	74°F	71°F
Sunset	5:40 pm	5:41 pm	6:00 pm
Daylight	10 h 57 min	10 h 38 min	10 h 47 min

Averages for Key West Int'l, Florida, 1991–2020; sunrise and sunset on the 15th. Key West water temperature by month.

Tours in Key West

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Questions

Is December a good time to visit Key West?

It's one of the most comfortable months for sightseeing. The most comfortable months overall are January, February, March and December.

How hot is Key West in December?

Average highs are about 78°F (25°C) and lows about 68°F (20°C).

Does it rain much in Key West in December?

December averages 6 rainy days, against 16 in the wettest month.

How warm is the sea in Key West in December?

About 74°F (23°C).

Other cities in December

Everything to do in Key West