World Resorts USA Islamorada Weather

Islamorada sea water temperature

Current sea water temperature:
+88.2°F
Minimum sea water temperature in June: 89.4°F
Maximum sea water temperature in June: 82.0°F
Average sea water temperature in June: 85.5°F

Sea water temperature for the last 10 days:

June 29 88.2°F June 24 88.2°F
June 28 87.8°F June 23 88.7°F
June 27 88.2°F June 22 87.3°F
June 26 89.4°F June 21 88.0°F
June 25 88.5°F June 20 88.2°F

When is the warmest sea in Islamorada?

Based on the data about daily sea water temperature for the last three years the warmest sea in Islamorada was noticed in August, July and September.

Monthly Sea Temperatures in Islamorada, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 88.8°F. The highest and lowest sea temperatures during the month were 90.5°F and 86.5°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 86.4°F. The highest and lowest sea temperatures during the month were 88.9°F and 84.7°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 86.7°F. The highest and lowest sea temperatures during the month were 88.5°F and 85.6°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 87.2 °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
+84°F
W 8 mph
Feels like: +91°F
Precip.: 8%
Places in USA:
Name
°F
+64°F
+77°F
+73°F
+63°F
+79°F
+84°F
+72°F
+79°F
+70°F
+64°F
+57°F
+79°F
+79°F
+79°F
+73°F
24 Hours Forecast
Islamorada
Local time: 03:07
June 30, tuesday
0600
84°F
W
6 mph
0900
84°F
W
4 mph
1200
84°F
SW
4 mph
1500
86°F
W
8 mph
1800
86°F
N
6 mph
2100
84°F
NW
4 mph
July 01, wednesday
0000
84°F
NW
3 mph
0300
84°F
NW
4 mph
Units of measurement: °C / °F