World Resorts USA Key West Weather

Key West Sea Temperature in May

Average sea water temperature in May:
+81.9°F
Minimum sea water temperature in May: 90.0°F
Maximum sea water temperature in May: 77.7°F

Daily sea water temperature in May, °F

Show year:
2024
2023
2022

The average sea water temperature in May of 2024 was 84.6°F. The highest and lowest sea temperatures during the month were 90.0°F and 78.4°F.

Monthly sea water temperature in Key West, °F

Which USA resorts have warmest sea in May?

Place name May 2024 May 2023
Key West 84.6°F 83.7°F
Marco Island 84.0°F 82.5°F
Naples 83.8°F 82.3°F
Cape Coral 83.6°F 82.2°F
Miami 83.3°F 81.7°F
Miami Beach 83.0°F 81.6°F
Sarasota 82.9°F 80.8°F
Siesta Key 82.6°F 80.6°F
Tampa 82.5°F 80.4°F
Clearwater Beach 82.5°F 80.2°F
St. Petersburg 82.4°F 80.4°F
Fort Lauderdale 81.7°F 80.8°F
West Palm Beach 81.5°F 80.6°F
South Padre Island 81.1°F 78.8°F
Corpus Christi 81.0°F 79.9°F
Cocoa Beach 80.0°F 78.7°F
Galveston Island 79.9°F 78.6°F
New Orleans 79.9°F 79.0°F
Galveston 79.5°F 78.3°F
Port St. Lucie 79.5°F 79.4°F

Best time for vacation in Key West

Sunniest months:
March 16 days
April 16 days
May 16 days
Warmest months:
August 87.5 °F
July 87.0 °F
September 85.8 °F
Warmest sea temp:
August 87.0 °F
July 86.5 °F
September 86.0 °F
Coldest months:
January 72.4 °F
February 74.0 °F
December 75.7 °F
Rainiest months:
August 7 days
July 7 days
September 7 days
Windiest months:
November 14.6 mph
December 13.7 mph
March 13.7 mph

Key West on a weather map

Key West
+73°F
S 22 mph
Feels like: +77°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+50°F
+75°F
+75°F
+59°F
+70°F
+77°F
+70°F
+46°F
+63°F
+57°F
+73°F
+72°F
+66°F
+34°F
24 Hours Forecast
Key West
Local time: 14:03
November 21, thursday
1500
73°F
S
22 mph
1800
72°F
SE
23 mph
2100
72°F
S
24 mph
November 22, friday
0000
70°F
S
22 mph
0300
70°F
S
19 mph
0600
70°F
S
21 mph
0900
70°F
S
19 mph
1200
70°F
SE
17 mph
Units of measurement: °C / °F