Current sea water temperature:
+75.7°F
| Minimum sea water temperature in January: | 77.5°F |
| Maximum sea water temperature in January: | 67.3°F |
| Average sea water temperature in January: | 73.6°F |
| more information | |
14 days
forecast
forecast
| Islamorada |
monthly
weather
weather
| Islamorada |
Sea water temperature for the last 10 days:
| January 15 | 75.7°F | January 10 | 75.0°F |
| January 14 | 74.1°F | January 9 | 74.1°F |
| January 13 | 75.2°F | January 8 | 72.7°F |
| January 12 | 75.0°F | January 7 | 73.0°F |
| January 11 | 74.8°F | January 6 | 71.8°F |
Monthly sea water temperature, °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.
current
weather
weather
| Islamorada |
weather in
January
January
| Islamorada |
Best time for vacation in Islamorada
Islamorada on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Islamorada
Local time: 12:48
January 15, thursday
1500
72°F
E
28 mph
28 mph
1800
70°F
SE
29 mph
29 mph
2100
64°F
SE
21 mph
21 mph
January 16, friday
0000
59°F
S
22 mph
22 mph
0300
55°F
S
19 mph
19 mph
0600
54°F
S
16 mph
16 mph
0900
55°F
S
14 mph
14 mph
1200
61°F
SW
11 mph
11 mph
