World Resorts USA Key West Weather

Key West Sea Temperature in February

Average sea water temperature in February:
+73.4°F
Minimum sea water temperature in February: 78.4°F
Maximum sea water temperature in February: 64.2°F

Daily sea water temperature in February, °F

Show year:
2026
2025
2024

The average sea water temperature in February of 2026 was 69.2°F. The highest and lowest sea temperatures during the month were 75.0°F and 64.2°F.

Monthly sea water temperature in Key West, °F

Which USA resorts have warmest sea in February?

Place name February 2026 February 2025
Honolulu 76.5°F 76.9°F
Hawaii 76.4°F 76.8°F
Kauai 76.1°F 74.2°F
Maui 76.0°F 76.4°F
Oahu 74.8°F 75.7°F
West Palm Beach 74.2°F 75.9°F
Fort Lauderdale 73.3°F 75.8°F
Miami Beach 71.9°F 75.8°F
Key West 69.2°F 74.6°F
Miami 69.0°F 75.3°F
Cocoa Beach 63.7°F 68.6°F
Naples 62.7°F 70.9°F
Tampa 62.2°F 68.2°F
San Diego 62.0°F 57.7°F
Santa Catalina Island 61.9°F 57.6°F
Laguna Beach 61.6°F 58.0°F
Irvine 61.5°F 58.0°F
Newport Beach 61.5°F 58.0°F
Santa Monica 61.4°F 57.7°F
Hollywood 61.4°F 57.7°F

Best time for vacation in Key West

Sunniest months:
May 17 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 86.7 °F
September 86.1 °F
Coldest months:
January 72.0 °F
February 73.7 °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
+86°F
W 11 mph
Feels like: +95°F
Precip.: 27%
Places in USA:
Name
°F
+90°F
+84°F
+79°F
+117°F
+88°F
+88°F
+75°F
+81°F
+81°F
+77°F
+61°F
+77°F
+88°F
+97°F
+79°F
24 Hours Forecast
Key West
Local time: 14:05
August 05, wednesday
1500
86°F
W
11 mph
1800
81°F
W
12 mph
2100
82°F
W
14 mph
August 06, thursday
0000
79°F
W
17 mph
0300
86°F
W
19 mph
0600
86°F
W
17 mph
0900
86°F
W
17 mph
1200
86°F
W
17 mph
Units of measurement: °C / °F