18.12
thu
thu
Day
82°F
NW 7 mph
Precip.
0%
0%
Night
77°F
N 4 mph
Precip.
0%
0%
19.12
fri
fri
Day
84°F
S 4 mph
Precip.
0%
0%
Night
77°F
SW 7 mph
Precip.
0%
0%
20.12
sat
sat
Day
82°F
W 9 mph
Precip.
0%
0%
Night
75°F
W 8 mph
Precip.
73%
73%
21.12
sun
sun
Day
81°F
W 11 mph
Precip.
84%
84%
Night
75°F
SW 8 mph
Precip.
0%
0%
22.12
mon
mon
Day
81°F
W 11 mph
Precip.
85%
85%
Night
75°F
SW 8 mph
Precip.
66%
66%
23.12
tue
tue
Day
79°F
W 11 mph
Precip.
100%
100%
Night
75°F
W 9 mph
Precip.
100%
100%
24.12
wed
wed
Day
75°F
W 12 mph
Precip.
100%
100%
Night
75°F
W 10 mph
Precip.
100%
100%
25.12
thu
thu
Day
75°F
W 11 mph
Precip.
100%
100%
Night
75°F
W 11 mph
Precip.
0%
0%
26.12
fri
fri
Day
79°F
W 13 mph
Precip.
100%
100%
Night
75°F
W 12 mph
Precip.
0%
0%
27.12
sat
sat
Day
79°F
W 13 mph
Precip.
66%
66%
Night
73°F
W 10 mph
Precip.
0%
0%
28.12
sun
sun
Day
79°F
W 11 mph
Precip.
0%
0%
Night
73°F
W 10 mph
Precip.
100%
100%
29.12
mon
mon
Day
81°F
NW 10 mph
Precip.
0%
0%
Night
75°F
NW 11 mph
Precip.
100%
100%
30.12
tue
tue
Day
79°F
NW 14 mph
Precip.
100%
100%
Night
75°F
NW 8 mph
Precip.
100%
100%
31.12
wed
wed
Day
79°F
NW 10 mph
Precip.
100%
100%
Night
75°F
W 6 mph
Precip.
100%
100%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 82.0°F. The highest and lowest sea temperatures during the month were 82.6°F and 81.3°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 79.4°F. The highest and lowest sea temperatures during the month were 80.4°F and 78.4°F.
Air temperature in Cancun, °F
Precipitation total in Cancun, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Cancun
Cancun on a weather map
Places in Mexico:
Name
°F
24 Hours Forecast
Cancun
Local time: 03:19
December 18, thursday
0600
75°F
NW
6 mph
6 mph
0900
81°F
NW
6 mph
6 mph
1200
82°F
NW
7 mph
7 mph
1500
84°F
NW
6 mph
6 mph
1800
81°F
NW
6 mph
6 mph
2100
77°F
NW
6 mph
6 mph
December 19, friday
0000
77°F
N
4 mph
4 mph
0300
75°F
N
2 mph
2 mph
