World Resorts USA Key Largo Weather

Key Largo Sea Temperature in August

Average sea water temperature in August:
+87.6°F
Minimum sea water temperature in August: 90.7°F
Maximum sea water temperature in August: 84.9°F

Daily sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 87.7°F. The highest and lowest sea temperatures during the month were 88.5°F and 86.5°F.

Monthly sea water temperature in Key Largo, °F

Which USA resorts have warmest sea in August?

Place name August 2026 August 2025
Key West 88.1°F 88.8°F
New Orleans 87.7°F 87.4°F
Houston 87.7°F 87.8°F
Naples 87.3°F 88.7°F
St. George Island 86.5°F 86.5°F
Miami 86.4°F 88.1°F
Miami Beach 86.4°F 87.9°F
Santa Rosa Beach 86.1°F 85.9°F
Sarasota 86.1°F 88.6°F
Panama City Beach 86.1°F 86.2°F
West Palm Beach 86.1°F 86.8°F
Pensacola Beach 86.0°F 86.6°F
Destin 85.9°F 86.0°F
Hilton Head Island 85.9°F 85.0°F
Clearwater Beach 85.9°F 88.5°F
Tampa 85.8°F 88.6°F
Edisto Beach 85.7°F 84.3°F
Tybee Island 85.7°F 84.5°F
Fort Walton Beach 85.6°F 86.0°F
Charleston (SC) 85.3°F 84.1°F

Best time for vacation in Key Largo

Sunniest months:
December 12 days
February 12 days
March 12 days
Warmest months:
July 85.4 °F
August 85.2 °F
September 84.5 °F
Warmest sea temp:
August 87.6 °F
July 87.3 °F
September 86.6 °F
Coldest months:
January 70.6 °F
February 72.7 °F
December 73.0 °F
Rainiest months:
June 3 days
September 3 days
July 3 days
Windiest months:
March 13.9 mph
November 13.9 mph
April 13.7 mph

Key Largo on a weather map

Key Largo
+88°F
W 14 mph
Feels like: +97°F
Precip.: 6%
Places in USA:
Name
°F
+75°F
+82°F
+81°F
+97°F
+84°F
+88°F
+75°F
+91°F
+84°F
+75°F
+64°F
+77°F
+84°F
+100°F
+75°F
24 Hours Forecast
Key Largo
Local time: 16:56
August 15, saturday
1800
88°F
W
14 mph
2100
86°F
W
14 mph
August 16, sunday
0000
86°F
W
14 mph
0300
86°F
NW
11 mph
0600
86°F
NW
12 mph
0900
86°F
NW
13 mph
1200
86°F
W
11 mph
1500
86°F
W
11 mph
Units of measurement: °C / °F