World Resorts USA Key West Weather

Key West Sea Temperature in December

Average sea water temperature in December:
+75.7°F
Minimum sea water temperature in December: 80.6°F
Maximum sea water temperature in December: 70.0°F

Daily sea water temperature in December, °F

Show year:
2024
2023
2022

The average sea water temperature in December of 2024 was 72.6°F. The highest and lowest sea temperatures during the month were 75.9°F and 70.3°F.

Monthly sea water temperature in Key West, °F

Which USA resorts have warmest sea in December?

Place name December 2024 December 2023
Kailua Kona 78.3°F 79.1°F
Honolulu 78.3°F 77.9°F
Hawaii 78.3°F 77.8°F
Maui 77.8°F 77.6°F
Fort Lauderdale 77.6°F 78.2°F
Oahu 77.2°F 76.9°F
Princeville 76.1°F 77.9°F
Kauai 76.0°F 77.9°F
Miami Beach 75.9°F 76.6°F
Islamorada 73.4°F 76.3°F
Key Largo 73.1°F 76.0°F
Miami 73.0°F 74.5°F
Key West 72.6°F 74.9°F
South Padre Island 71.9°F 67.9°F
Everglades 69.7°F 73.5°F
Marco Island 68.0°F 70.0°F
Cape Coral 67.8°F 68.9°F
Naples 67.7°F 69.8°F
Cocoa Beach 66.6°F 68.1°F
Destin 66.5°F 64.8°F

Best time for vacation in Key West

Sunniest months:
May 16 days
March 16 days
April 16 days
Warmest months:
August 87.4 °F
July 86.9 °F
September 85.8 °F
Warmest sea temp:
August 87.2 °F
July 86.6 °F
September 86.1 °F
Coldest months:
January 72.1 °F
February 74.0 °F
December 75.4 °F
Rainiest months:
June 7 days
August 7 days
September 6 days
Windiest months:
November 14.7 mph
December 13.9 mph
January 13.8 mph

Key West on a weather map

Key West
+75°F
W 14 mph
Feels like: +81°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
Key West
Local time: 00:46
December 05, friday
0300
75°F
W
13 mph
0600
77°F
W
11 mph
0900
75°F
W
7 mph
1200
75°F
W
11 mph
1500
77°F
W
12 mph
1800
79°F
NW
11 mph
2100
77°F
NW
10 mph
December 06, saturday
0000
75°F
NW
11 mph
Units of measurement: °C / °F