Measurements:
°C
°F
Islamorada
88°F
NW 11 mph
Feels like: 96°F
Precip: 4%
World Resorts USA Islamorada Weather

Islamorada Sea Water Temperature

Current Sea Water Temperature:
+92.4°F
Maximum Sea Water Temperature in June: 93.0°F
Minimum Sea Water Temperature in June: 85.6°F
Average water temperature in June: 89.3°F

Sea Water Temperature for the Last 10 Days:

June 24 92.4°F June 19 91.8°F
June 23 93.0°F June 18 90.4°F
June 22 91.4°F June 17 91.0°F
June 21 92.2°F June 16 91.2°F
June 20 92.4°F June 15 90.0°F

When is the Warmest Sea for Islamorada?

According to our data for the last three years for Islamorada the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Islamorada was 93.1°F. The maximum and minimum values were 90.6°F and 95.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Islamorada was 90.5°F. The maximum and minimum values were 88.6°F and 93.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Islamorada was 90.8°F. The maximum and minimum values were 89.6°F and 92.8°F respectively.

Best Time to Visit Islamorada
The most sunny months:
April 13 days
December 12 days
February 12 days
The most warm months:
August 89.1 °F
July 89.0 °F
September 88.4 °F
Warmest sea temperature:
August 91.8 °F
July 91.3 °F
September 90.8 °F
The most cold months:
January 72.9 °F
February 75.2 °F
December 75.6 °F
The most rainy months:
June 3 days
July 3 days
September 3 days
The most windy months:
March 14 mph
November 14 mph
April 13 mph

Islamorada on the Weather Map

USA Resorts:
NAME
Chicago +66
Hawaii +80
Honolulu +80
Houston +82
Las Vegas +94
Los Angeles +66
Maui +74
Miami +80
Miami Beach +82
Myrtle Beach +78
New York +70
San Diego +68
San Francisco +58
Sarasota +84
Tampa +84
24 Hours Weather Forecast
Islamorada
Local time: 01:25
25 jun, thursday
0300 88°F
NW
11 mph
0600 88°F
NW
14 mph
0900 88°F
NW
13 mph
1200 88°F
NW
12 mph
1500 88°F
NW
11 mph
1800 88°F
NW
11 mph
2100 88°F
NW
13 mph
26 jun, friday
0000 88°F
W
13 mph