Current sea water temperature:
+75.2°F
| Minimum sea water temperature in February: | 79.5°F |
| Maximum sea water temperature in February: | 62.1°F |
| Average sea water temperature in February: | 74.0°F |
| more information | |
14 days
forecast
forecast
| Key Largo |
monthly
weather
weather
| Key Largo |
Sea water temperature for the last 10 days:
| February 24 | 75.2°F | February 19 | 73.8°F |
| February 23 | 76.5°F | February 18 | 73.6°F |
| February 22 | 75.9°F | February 17 | 73.2°F |
| February 21 | 76.3°F | February 16 | 72.1°F |
| February 20 | 74.7°F | February 15 | 71.4°F |
Monthly sea water temperature, °F
When is the warmest sea in Key Largo?
Based on the data about daily sea water temperature for the last three years the warmest sea in Key Largo was noticed in August, July and September.
Monthly Sea Temperatures in Key Largo, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 88.7°F. The highest and lowest sea temperatures during the month were 90.1°F and 86.9°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 86.2°F. The highest and lowest sea temperatures during the month were 89.2°F and 84.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 86.6°F. The highest and lowest sea temperatures during the month were 88.5°F and 85.5°F.
current
weather
weather
| Key Largo |
weather in
February
February
| Key Largo |
Best time for vacation in Key Largo
Key Largo on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Key Largo
Local time: 10:07
February 24, tuesday
1200
57°F
SW
9 mph
9 mph
1500
63°F
W
7 mph
7 mph
1800
66°F
W
11 mph
11 mph
2100
64°F
W
8 mph
8 mph
February 25, wednesday
0000
64°F
W
8 mph
8 mph
0300
64°F
NW
9 mph
9 mph
0600
64°F
NW
11 mph
11 mph
0900
64°F
NW
11 mph
11 mph
