World Resorts USA Islamorada Weather

Islamorada 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 90.1°F and 86.4°F.

Monthly sea water temperature in Islamorada, °F

Which USA resorts have warmest sea in August?

Place name August 2026 August 2025
Key West 88.8°F 88.8°F
Key Largo 88.4°F 88.7°F
Naples 88.1°F 88.7°F
New Orleans 88.0°F 87.4°F
Houston 87.8°F 87.8°F
Cape Coral 87.6°F 88.7°F
Miami 87.3°F 88.1°F
Galveston 87.3°F 87.9°F
Long Beach (MS) 87.2°F 86.6°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. 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

Best time for vacation in Islamorada

Sunniest months:
April 13 days
December 12 days
February 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

Islamorada on a weather map

Islamorada
+84°F
W 14 mph
Feels like: +91°F
Precip.: 8%
Places in USA:
Name
°F
+55°F
+64°F
+79°F
+79°F
+88°F
+86°F
+77°F
+79°F
+64°F
+82°F
+75°F
+84°F
+84°F
+86°F
+63°F
24 Hours Forecast
Islamorada
Local time: 18:39
October 15, thursday
2100
82°F
W
16 mph
October 16, friday
0000
82°F
W
16 mph
0300
82°F
W
15 mph
0600
82°F
W
14 mph
0900
82°F
W
14 mph
1200
84°F
W
13 mph
1500
84°F
W
9 mph
1800
82°F
W
9 mph
Units of measurement: °C / °F