World Resorts USA Key Largo Weather

Key Largo Sea Temperature in April

Average sea water temperature in April:
+79.3°F
Minimum sea water temperature in April: 85.1°F
Maximum sea water temperature in April: 73.9°F

Daily sea water temperature in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 78.0°F. The highest and lowest sea temperatures during the month were 80.4°F and 76.1°F.

Monthly sea water temperature in Key Largo, °F

Which USA resorts have warmest sea in April?

Place name April 2026 April 2025
Everglades 78.3°F 78.8°F
West Palm Beach 78.2°F 78.3°F
Fort Lauderdale 78.0°F 78.0°F
Key Largo 78.0°F 78.5°F
Key West 78.0°F 78.0°F
Miami Beach 77.9°F 78.3°F
Kailua Kona 77.5°F 78.1°F
Miami 77.4°F 77.9°F
Honolulu 76.4°F 77.4°F
Cape Coral 76.2°F 77.2°F
Hawaii 76.1°F 77.3°F
Kahului 76.1°F 76.8°F
Marco Island 76.0°F 77.3°F
Kauai 75.9°F 74.9°F
Maui 75.8°F 76.6°F
Naples 75.5°F 77.0°F
Tampa 75.1°F 76.6°F
St. Petersburg 75.0°F 76.3°F
Oahu 74.8°F 76.4°F
Cocoa Beach 74.8°F 75.1°F

Best time for vacation in Key Largo

Sunniest months:
December 12 days
February 12 days
March 12 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 70.6 °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
+77°F
SW 16 mph
Feels like: +81°F
Precip.: 0%
Places in USA:
Name
°F
+50°F
+73°F
+73°F
+55°F
+54°F
+73°F
+77°F
+68°F
+46°F
+55°F
+52°F
+72°F
+68°F
+75°F
+54°F
24 Hours Forecast
Key Largo
Local time: 02:38
April 28, tuesday
0300
77°F
SW
16 mph
0600
77°F
SW
13 mph
0900
79°F
W
12 mph
1200
81°F
W
11 mph
1500
79°F
W
12 mph
1800
79°F
W
17 mph
2100
79°F
W
15 mph
April 29, wednesday
0000
77°F
W
16 mph
Units of measurement: °C / °F