World Resorts USA Key West Weather

Key West Sea Temperature in June

Average sea water temperature in June:
+84.7°F
Minimum sea water temperature in June: 89.1°F
Maximum sea water temperature in June: 80.2°F

Daily sea water temperature in June, °F

Show year:
2025
2024
2023

The average sea water temperature in June of 2025 was 85.5°F. The highest and lowest sea temperatures during the month were 86.7°F and 83.5°F.

Monthly sea water temperature in Key West, °F

Which USA resorts have warmest sea in June?

Place name June 2025 June 2024
Everglades 86.1°F 86.0°F
Marco Island 85.9°F 86.2°F
Naples 85.9°F 85.9°F
Cape Coral 85.9°F 85.7°F
Sarasota 85.9°F 85.8°F
Siesta Key 85.8°F 85.7°F
Clearwater Beach 85.7°F 86.3°F
Key West 85.5°F 85.9°F
Miami 85.5°F 84.8°F
Tampa 85.5°F 85.9°F
Islamorada 85.3°F 86.0°F
Key Largo 85.2°F 85.6°F
Corpus Christi 85.1°F 86.6°F
Miami Beach 84.9°F 84.6°F
Houston 84.8°F 85.2°F
New Orleans 84.7°F 84.9°F
Pensacola 84.6°F 84.0°F
Miramar Beach 84.4°F 83.6°F
Destin 84.4°F 83.5°F
Panama City Beach 84.3°F 84.0°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 13 mph
Feels like: +81°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+41°F
+52°F
+70°F
+77°F
+70°F
+21°F
+54°F
+46°F
+61°F
+61°F
+45°F
+3°F
24 Hours Forecast
Key West
Local time: 03:29
December 05, friday
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
0300
75°F
NW
9 mph
Units of measurement: °C / °F