18.12
thu
thu
Day
82°F
NW 7 mph
Precip.
0%
0%
Night
79°F
N 5 mph
Precip.
0%
0%
19.12
fri
fri
Day
82°F
S 3 mph
Precip.
0%
0%
Night
79°F
SW 9 mph
Precip.
0%
0%
20.12
sat
sat
Day
79°F
W 9 mph
Precip.
0%
0%
Night
77°F
W 9 mph
Precip.
79%
79%
21.12
sun
sun
Day
81°F
W 12 mph
Precip.
100%
100%
Night
77°F
SW 12 mph
Precip.
0%
0%
22.12
mon
mon
Day
81°F
W 12 mph
Precip.
100%
100%
Night
79°F
SW 11 mph
Precip.
70%
70%
23.12
tue
tue
Day
79°F
W 11 mph
Precip.
100%
100%
Night
77°F
W 11 mph
Precip.
100%
100%
24.12
wed
wed
Day
77°F
W 12 mph
Precip.
100%
100%
Night
75°F
W 13 mph
Precip.
100%
100%
25.12
thu
thu
Day
77°F
W 13 mph
Precip.
100%
100%
Night
77°F
W 13 mph
Precip.
22%
22%
26.12
fri
fri
Day
79°F
W 14 mph
Precip.
100%
100%
Night
77°F
W 15 mph
Precip.
100%
100%
27.12
sat
sat
Day
79°F
W 14 mph
Precip.
71%
71%
Night
77°F
W 12 mph
Precip.
100%
100%
28.12
sun
sun
Day
81°F
W 14 mph
Precip.
0%
0%
Night
77°F
W 11 mph
Precip.
100%
100%
29.12
mon
mon
Day
81°F
W 11 mph
Precip.
0%
0%
Night
79°F
NW 13 mph
Precip.
100%
100%
30.12
tue
tue
Day
79°F
NW 14 mph
Precip.
100%
100%
Night
79°F
W 10 mph
Precip.
81%
81%
31.12
wed
wed
Day
79°F
W 10 mph
Precip.
100%
100%
Night
77°F
W 6 mph
Precip.
0%
0%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 83.1°F. The highest and lowest sea temperatures during the month were 83.5°F and 82.6°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 80.6°F. The highest and lowest sea temperatures during the month were 81.1°F and 80.2°F.
Air temperature in Cozumel, °F
Precipitation total in Cozumel, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Cozumel
Cozumel on a weather map
Places in Mexico:
Name
°F
24 Hours Forecast
Cozumel
Local time: 04:37
December 18, thursday
0600
77°F
NW
6 mph
6 mph
0900
79°F
NW
6 mph
6 mph
1200
82°F
NW
7 mph
7 mph
1500
82°F
NW
5 mph
5 mph
1800
81°F
NW
6 mph
6 mph
2100
79°F
NW
6 mph
6 mph
December 19, friday
0000
79°F
N
5 mph
5 mph
0300
77°F
NW
6 mph
6 mph
