Measurements:
°C
°F
CURRENT WEATHER
05:58
Key West
68°F
S 15 mph
Feels like: 68°F
Precip: 0%
World Resorts USA Key West Weather

7 Day Weather Forecast

12.22
sun
DAY
70°F
SW 11 mph
precip
0%
NIGHT
72°F
SW 10 mph
precip
0%
12.23
mon
DAY
74°F
SW 16 mph
precip
0%
NIGHT
76°F
W 16 mph
precip
0%
12.24
tue
DAY
76°F
SW 13 mph
precip
0%
NIGHT
74°F
SW 9 mph
precip
0%
12.25
wed
DAY
74°F
SW 11 mph
precip
0%
NIGHT
74°F
SW 9 mph
precip
0%
12.26
thu
DAY
74°F
SW 14 mph
precip
0%
NIGHT
76°F
W 19 mph
precip
100%
12.27
fri
DAY
78°F
NW 17 mph
precip
100%
NIGHT
78°F
NW 10 mph
precip
100%
12.28
sat
DAY
78°F
W 9 mph
precip
100%
NIGHT
76°F
W 16 mph
precip
100%

Key West Sea Water Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for Key West was 22.7°F. The maximum and minimum values were 21.5°F and 24.4°F respectively.

Key West on the Weather Map

Best Time to Visit Key West
The most sunny months:
March 16 days
April 16 days
May 16 days
The most warm months:
August 91.7 °F
July 91.1 °F
September 89.8 °F
Warmest sea temperature:
August 91.2 °F
July 90.6 °F
September 90.0 °F
The most cold months:
January 74.9 °F
February 76.7 °F
December 78.6 °F
The most rainy months:
August 7 days
July 7 days
September 7 days
The most windy months:
November 14 mph
December 14 mph
March 14 mph
more details