Measurements:
°C
°F
CURRENT WEATHER
04:18
Key West
78°F
W 13 mph
Feels like: 84°F
Precip: 0%
World Resorts USA Key West Weather

7 Day Weather Forecast

12.05
fri
DAY
78°F
W 11 mph
precip
0%
NIGHT
78°F
NW 11 mph
precip
0%
12.06
sat
DAY
78°F
NW 12 mph
precip
0%
NIGHT
78°F
NW 7 mph
precip
0%
12.07
sun
DAY
78°F
NE 7 mph
precip
0%
NIGHT
80°F
E 6 mph
precip
60%
12.08
mon
DAY
78°F
S 7 mph
precip
0%
NIGHT
78°F
SW 14 mph
precip
0%
12.09
tue
DAY
76°F
SW 12 mph
precip
100%
NIGHT
78°F
SW 7 mph
precip
49%
12.10
wed
DAY
80°F
NW 8 mph
precip
0%
NIGHT
80°F
NE 12 mph
precip
100%
12.11
thu
DAY
80°F
N 5 mph
precip
100%
NIGHT
80°F
NW 7 mph
precip
0%

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 22.6°F. The maximum and minimum values were 21.3°F and 24.4°F respectively.

Key West on the Weather Map

Best Time to Visit Key West
The most sunny months:
May 16 days
March 16 days
April 16 days
The most warm months:
August 91.6 °F
July 91.0 °F
September 89.7 °F
Warmest sea temperature:
August 91.3 °F
July 90.6 °F
September 90.1 °F
The most cold months:
January 74.5 °F
February 76.6 °F
December 78.2 °F
The most rainy months:
June 7 days
August 7 days
September 6 days
The most windy months:
November 14 mph
December 14 mph
January 14 mph
more details