World Resorts USA Islamorada Weather

Islamorada sea water temperature

Current sea water temperature:
+65.8°F
Minimum sea water temperature in February: 79.5°F
Maximum sea water temperature in February: 65.8°F
Average sea water temperature in February: 74.7°F

Sea water temperature for the last 10 days:

February 5 65.8°F January 31 72.3°F
February 4 66.7°F January 30 71.8°F
February 3 67.3°F January 29 71.6°F
February 2 68.4°F January 28 73.2°F
February 1 70.7°F January 27 75.6°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:
December 12 days
January 11 days
April 11 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
December 73.0 °F
February 73.5 °F
Rainiest months:
June 3 days
September 3 days
July 3 days
Windiest months:
November 13.9 mph
March 13.8 mph
April 13.5 mph

Islamorada on a weather map

Islamorada
+61°F
SE 29 mph
Feels like: +61°F
Precip.: 0%
Places in USA:
Name
°F
+32°F
+77°F
+77°F
+79°F
+88°F
+61°F
+63°F
+72°F
+30°F
+66°F
+68°F
+55°F
+54°F
+64°F
+27°F
24 Hours Forecast
Islamorada
Local time: 19:31
February 05, thursday
2100
57°F
SE
20 mph
February 06, friday
0000
54°F
SE
19 mph
0300
52°F
SE
22 mph
0600
50°F
SE
17 mph
0900
48°F
SE
13 mph
1200
54°F
SE
11 mph
1500
57°F
E
19 mph
1800
61°F
E
18 mph
Units of measurement: °C / °F