World Resorts USA Key Largo Weather

Key Largo Sea Temperature in July

Average sea water temperature in July:
+87.1°F
Minimum sea water temperature in July: 91.2°F
Maximum sea water temperature in July: 83.5°F

Daily sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 86.2°F. The highest and lowest sea temperatures during the month were 89.2°F and 84.4°F.

Monthly sea water temperature in Key Largo, °F

Which USA resorts have warmest sea in July?

Place name July 2025 July 2024
New Orleans 87.4°F 87.1°F
Bay Saint Louis 87.2°F 86.7°F
Clearwater Beach 87.1°F 88.3°F
St. Petersburg 87.0°F 88.0°F
Sarasota 86.9°F 87.9°F
Sanibel Island 86.9°F 87.7°F
Siesta Key 86.9°F 87.9°F
Pensacola 86.9°F 87.3°F
Tampa 86.8°F 87.4°F
Key West 86.7°F 87.6°F
Naples 86.6°F 87.2°F
Cape Coral 86.4°F 87.2°F
Islamorada 86.4°F 87.4°F
Miami 86.3°F 86.9°F
Panama City Beach 86.3°F 86.8°F
Houston 86.3°F 86.4°F
Destin 86.3°F 86.6°F
Key Largo 86.2°F 87.1°F
Miramar Beach 86.2°F 86.7°F
Santa Rosa Beach 86.2°F 86.6°F

Best time for vacation in Key Largo

Sunniest months:
March 11 days
April 11 days
January 10 days
Warmest months:
August 85.2 °F
July 85.1 °F
September 84.5 °F
Warmest sea temp:
August 87.6 °F
July 87.1 °F
September 86.6 °F
Coldest months:
January 70.8 °F
December 72.5 °F
February 73.5 °F
Rainiest months:
June 3 days
September 3 days
July 3 days
Windiest months:
November 13.9 mph
March 13.8 mph
April 13.5 mph

Key Largo on a weather map

Key Largo
+72°F
SW 10 mph
Feels like: +77°F
Precip.: 0%
Places in USA:
Name
°F
+36°F
+73°F
+73°F
+50°F
+54°F
+70°F
+75°F
+68°F
+34°F
+57°F
+59°F
+55°F
+54°F
+68°F
+25°F
24 Hours Forecast
Key Largo
Local time: 06:32
December 21, sunday
0900
73°F
SW
11 mph
1200
73°F
SW
11 mph
1500
73°F
SW
12 mph
1800
73°F
SW
15 mph
2100
73°F
W
17 mph
December 22, monday
0000
73°F
SW
16 mph
0300
72°F
SW
19 mph
0600
72°F
SW
21 mph
Units of measurement: °C / °F