Current sea water temperature:
+72.9°F
| Minimum sea water temperature in December: | 80.6°F |
| Maximum sea water temperature in December: | 70.0°F |
| Average sea water temperature in December: | 75.8°F |
| more information | |
14 days
forecast
forecast
| Key West |
monthly
weather
weather
| Key West |
Sea water temperature for the last 10 days:
| December 21 | 72.9°F | December 16 | 71.6°F |
| December 20 | 73.6°F | December 15 | 71.2°F |
| December 19 | 74.3°F | December 14 | 71.1°F |
| December 18 | 73.6°F | December 13 | 71.8°F |
| December 17 | 72.5°F | December 12 | 73.6°F |
Monthly sea water temperature, °F
When is the warmest sea in Key West?
Based on the data about daily sea water temperature for the last three years the warmest sea in Key West was noticed in August, July and September.
Monthly Sea Temperatures in Key West, °F
Sea water temperature in August, °F
Show year:
2024
2023
2022
The average sea water temperature in August of 2024 was 87.8°F. The highest and lowest sea temperatures during the month were 89.2°F and 86.2°F.
Sea water temperature in July, °F
Show year:
2024
2023
2022
The average sea water temperature in July of 2024 was 87.6°F. The highest and lowest sea temperatures during the month were 89.1°F and 85.8°F.
Sea water temperature in September, °F
Show year:
2024
2023
2022
The average sea water temperature in September of 2024 was 87.4°F. The highest and lowest sea temperatures during the month were 89.6°F and 83.8°F.
current
weather
weather
| Key West |
weather in
December
December
| Key West |
Best time for vacation in Key West
Key West on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Key West
Local time: 23:07
December 22, sunday
0000
66°F
S
14 mph
14 mph
0300
66°F
S
14 mph
14 mph
0600
66°F
S
14 mph
14 mph
0900
64°F
S
13 mph
13 mph
1200
66°F
SW
11 mph
11 mph
1500
66°F
SW
11 mph
11 mph
1800
68°F
S
11 mph
11 mph
2100
70°F
S
12 mph
12 mph
