World Resorts USA Islamorada Weather

Islamorada Sea Temperature in May

Average sea water temperature in May:
+83.1°F
Minimum sea water temperature in May: 89.2°F
Maximum sea water temperature in May: 78.4°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 84.2°F. The highest and lowest sea temperatures during the month were 85.8°F and 82.6°F.

Monthly sea water temperature in Islamorada, °F

Which USA resorts have warmest sea in May?

Place name May 2026 May 2025
Key West 84.3°F 83.5°F
Miami 83.3°F 82.6°F
Naples 82.9°F 83.5°F
Miami Beach 82.7°F 82.4°F
St. Petersburg 82.0°F 82.6°F
Tampa 81.9°F 82.7°F
West Palm Beach 81.7°F 81.1°F
Fort Lauderdale 81.7°F 81.1°F
Clearwater Beach 81.5°F 82.6°F
Sarasota 81.5°F 82.7°F
Siesta Key 81.3°F 82.5°F
Corpus Christi 79.5°F 80.9°F
Kailua Kona 79.4°F 79.1°F
South Padre Island 79.1°F 80.0°F
Orlando 78.4°F 77.2°F
Houston 78.4°F 79.5°F
Daytona Beach 78.1°F 76.0°F
New Orleans 78.0°F 79.5°F
Honolulu 78.0°F 78.1°F
Hawaii 77.9°F 78.0°F

Best time for vacation in Islamorada

Sunniest months:
April 13 days
December 12 days
February 12 days
Warmest months:
August 85.2 °F
July 85.1 °F
September 84.5 °F
Warmest sea temp:
August 87.6 °F
July 87.4 °F
September 86.7 °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

Islamorada on a weather map

Islamorada
+88°F
NW 10 mph
Feels like: +97°F
Precip.: 5%
Places in USA:
Name
°F
+72°F
+88°F
+81°F
+111°F
+88°F
+88°F
+73°F
+88°F
+88°F
+86°F
+82°F
+73°F
+90°F
+104°F
+75°F
24 Hours Forecast
Islamorada
Local time: 16:40
July 21, tuesday
1800
88°F
NW
10 mph
2100
86°F
W
12 mph
July 22, wednesday
0000
84°F
W
14 mph
0300
84°F
NW
12 mph
0600
84°F
NW
15 mph
0900
84°F
NW
17 mph
1200
86°F
NW
14 mph
1500
84°F
NW
13 mph
Units of measurement: °C / °F