24.12
wed
wed
Day
75°F
SW 19 mph
Precip.
0%
0%
Night
73°F
SW 16 mph
Precip.
0%
0%
25.12
thu
thu
Day
73°F
SW 12 mph
Precip.
0%
0%
Night
73°F
S 4 mph
Precip.
0%
0%
26.12
fri
fri
Day
73°F
SW 11 mph
Precip.
0%
0%
Night
75°F
W 6 mph
Precip.
0%
0%
27.12
sat
sat
Day
72°F
SW 6 mph
Precip.
0%
0%
Night
72°F
SE 1 mph
Precip.
0%
0%
28.12
sun
sun
Day
73°F
SW 7 mph
Precip.
0%
0%
Night
73°F
N 4 mph
Precip.
0%
0%
29.12
mon
mon
Day
72°F
SE 7 mph
Precip.
0%
0%
Night
72°F
SE 15 mph
Precip.
0%
0%
30.12
tue
tue
Day
63°F
S 21 mph
Precip.
0%
0%
Night
61°F
S 19 mph
Precip.
0%
0%
31.12
wed
wed
Day
61°F
S 12 mph
Precip.
0%
0%
Night
66°F
NW 11 mph
Precip.
70%
70%
01.01
thu
thu
Day
66°F
SW 13 mph
Precip.
52%
52%
Night
68°F
SE 11 mph
Precip.
0%
0%
02.01
fri
fri
Day
64°F
S 12 mph
Precip.
0%
0%
Night
68°F
SE 11 mph
Precip.
0%
0%
03.01
sat
sat
Day
68°F
SW 11 mph
Precip.
0%
0%
Night
70°F
NW 7 mph
Precip.
76%
76%
04.01
sun
sun
Day
72°F
W 12 mph
Precip.
100%
100%
Night
73°F
W 23 mph
Precip.
100%
100%
05.01
mon
mon
Day
73°F
NW 17 mph
Precip.
100%
100%
Night
72°F
E 7 mph
Precip.
0%
0%
06.01
tue
tue
Day
72°F
E 13 mph
Precip.
24%
24%
Night
68°F
SE 20 mph
Precip.
29%
29%
sea water
temperature
temperature
| Key Largo |
monthly
weather
weather
| Key Largo |
current
weather
weather
| Key Largo |
7 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 76.8°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: 05:03
December 24, wednesday
0600
72°F
SW
17 mph
17 mph
0900
72°F
SW
16 mph
16 mph
1200
75°F
SW
19 mph
19 mph
1500
77°F
SW
17 mph
17 mph
1800
75°F
SW
19 mph
19 mph
2100
73°F
SW
17 mph
17 mph
December 25, thursday
0000
73°F
SW
16 mph
16 mph
0300
73°F
W
14 mph
14 mph
