World Resorts USA Key West Weather

Key West Sea Temperature in June

Average sea water temperature in June:
+84.8°F
Minimum sea water temperature in June: 90.3°F
Maximum sea water temperature in June: 80.2°F

Daily sea water temperature in June, °F

Show year:
2026
2025
2024

The average sea water temperature in June of 2026 was 86.9°F. The highest and lowest sea temperatures during the month were 90.3°F and 83.5°F.

Monthly sea water temperature in Key West, °F

Which USA resorts have warmest sea in June?

Place name June 2026 June 2025
Key West 86.9°F 85.5°F
Naples 86.1°F 85.9°F
Clearwater Beach 85.9°F 85.7°F
Tampa 85.7°F 85.5°F
Sarasota 85.5°F 85.9°F
Siesta Key 85.4°F 85.8°F
Miami 85.4°F 85.5°F
Miami Beach 85.1°F 84.9°F
Fort Lauderdale 84.5°F 83.2°F
New Orleans 84.1°F 84.7°F
West Palm Beach 84.0°F 83.3°F
Houston 84.0°F 84.8°F
St. George Island 83.5°F 84.6°F
Panama City Beach 82.7°F 84.3°F
Pensacola Beach 82.6°F 84.6°F
Destin 82.5°F 84.4°F
Santa Rosa Beach 82.4°F 84.1°F
St. Augustine 82.3°F 80.0°F
Cocoa Beach 82.3°F 82.6°F
Fort Walton Beach 82.1°F 84.1°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: 14:06
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