World Resorts USA Key Largo Weather

Key Largo Sea Temperature in August

Average sea water temperature in August:
+87.7°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 88.4°F. The highest and lowest sea temperatures during the month were 89.8°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 88.8°F 88.8°F
Naples 88.1°F 88.7°F
New Orleans 88.0°F 87.4°F
Houston 87.8°F 87.8°F
Miami 87.3°F 88.1°F
Galveston 87.3°F 87.9°F
Miami Beach 87.1°F 87.9°F
Sarasota 87.1°F 88.6°F
Siesta Key 87.1°F 88.6°F
Pensacola 86.9°F 86.5°F
Clearwater Beach 86.8°F 88.5°F
Tampa 86.8°F 88.6°F
Fort Lauderdale 86.8°F 87.2°F
St. Petersburg 86.7°F 88.7°F
St. George Island 86.7°F 86.5°F
Corpus Christi 86.5°F 87.0°F
West Palm Beach 86.4°F 86.8°F
Pensacola Beach 86.4°F 86.6°F
Orange Beach 86.3°F 86.5°F
Panama City Beach 86.3°F 86.2°F

Best time for vacation in Key Largo

Sunniest months:
December 12 days
February 12 days
March 12 days
Warmest months:
August 85.8 °F
July 85.4 °F
September 84.4 °F
Warmest sea temp:
August 87.7 °F
July 87.3 °F
September 86.7 °F
Coldest months:
January 70.6 °F
February 72.7 °F
December 73.0 °F
Rainiest months:
September 4 days
June 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
+75°F
N 2 mph
Feels like: +79°F
Precip.: 14%
Places in USA:
Name
°F
+46°F
+52°F
+73°F
+63°F
+72°F
+75°F
+68°F
+54°F
+68°F
+63°F
+70°F
+70°F
+68°F
+64°F
+46°F
24 Hours Forecast
Key Largo
Local time: 00:25
November 12, thursday
0300
75°F
NE
2 mph
0600
73°F
E
1 mph
0900
79°F
NE
4 mph
1200
81°F
NE
7 mph
1500
81°F
NE
9 mph
1800
77°F
E
6 mph
2100
75°F
E
5 mph
November 13, friday
0000
73°F
E
4 mph
Units of measurement: °C / °F