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 78.2°F. The highest and lowest sea temperatures during the month were 81.0°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
West Palm Beach 78.2°F 78.3°F
Key West 78.2°F 78.0°F
Fort Lauderdale 78.1°F 78.0°F
Miami Beach 78.0°F 78.3°F
Kailua Kona 77.6°F 78.1°F
Miami 77.5°F 77.9°F
Honolulu 76.5°F 77.4°F
Hawaii 76.2°F 77.3°F
Maui 75.9°F 76.6°F
Kauai 75.9°F 74.9°F
Naples 75.8°F 77.0°F
South Padre Island 75.7°F 74.5°F
Tampa 75.3°F 76.6°F
St. Petersburg 75.2°F 76.3°F
Corpus Christi 75.0°F 74.7°F
Oahu 74.9°F 76.4°F
Clearwater Beach 74.7°F 75.6°F
Houston 74.5°F 73.7°F
Sarasota 74.2°F 76.0°F
Siesta Key 73.8°F 75.7°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 87.3 °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
+90°F
NW 12 mph
Feels like: +104°F
Precip.: 6%
Places in USA:
Name
°F
+88°F
+91°F
+77°F
+100°F
+77°F
+90°F
+72°F
+91°F
+82°F
+73°F
+64°F
+77°F
+93°F
+95°F
+84°F
24 Hours Forecast
Key Largo
Local time: 12:39
July 21, tuesday
1500
88°F
NW
11 mph
1800
88°F
NW
9 mph
2100
84°F
W
12 mph
July 22, wednesday
0000
86°F
W
14 mph
0300
84°F
NW
14 mph
0600
84°F
NW
16 mph
0900
86°F
NW
14 mph
1200
84°F
NW
13 mph
Units of measurement: °C / °F