23.12
tue
tue
Day
75°F
W 22 mph
Precip.
100%
100%
Night
75°F
SW 16 mph
Precip.
0%
0%
24.12
wed
wed
Day
73°F
W 16 mph
Precip.
0%
0%
Night
73°F
SW 13 mph
Precip.
0%
0%
25.12
thu
thu
Day
72°F
W 10 mph
Precip.
0%
0%
Night
72°F
S 6 mph
Precip.
0%
0%
26.12
fri
fri
Day
73°F
SW 9 mph
Precip.
0%
0%
Night
72°F
SE 3 mph
Precip.
0%
0%
27.12
sat
sat
Day
70°F
S 4 mph
Precip.
0%
0%
Night
72°F
SE 1 mph
Precip.
0%
0%
28.12
sun
sun
Day
72°F
SW 5 mph
Precip.
0%
0%
Night
73°F
W 5 mph
Precip.
0%
0%
29.12
mon
mon
Day
70°F
SE 5 mph
Precip.
0%
0%
Night
70°F
SE 11 mph
Precip.
0%
0%
sea water
temperature
temperature
| Key Largo |
monthly
weather
weather
| Key Largo |
current
weather
weather
| Key Largo |
14 days
forecast
forecast
| Key Largo |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 76.9°F. The highest and lowest sea temperatures during the month were 79.5°F and 74.3°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 71.1°F. The highest and lowest sea temperatures during the month were 75.7°F and 66.7°F.
Air temperature in Key Largo, °F
Precipitation total in Key Largo, in.
* Charts above show average data for the last 3 years.
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: 23:08
December 24, wednesday
0000
75°F
SW
16 mph
16 mph
0300
75°F
W
14 mph
14 mph
0600
73°F
SW
14 mph
14 mph
0900
73°F
W
15 mph
15 mph
1200
73°F
W
16 mph
16 mph
1500
73°F
SW
16 mph
16 mph
1800
73°F
SW
16 mph
16 mph
2100
73°F
SW
15 mph
15 mph
