December signals the beginning of the high-season for travel to Cancun, Cozumel, and the Mexican Caribbean and it's easy to see why with warm temperatures and beautiful clear skies. December is fairly dry, ensuring vacationers will see plenty of sun during their stay.
Typical Weather in December
During December the temperatures in Cancun and the Mexican Caribbean typically vary between a daily high of about 82.0 degrees and a daily low of approximately 69.0 degrees
| Monthly Averages | | High | Low | Rainfall
(inches) | No. of Days
with Rain |
| 82.0° F |
69.0° F |
N.A. |
6.0 |
|
During the early morning hours of an average December day in Cancun and the Mexican Caribbean, you can expect the temperature will be in the vicinity of 69.2 degrees.
Temperatures in Cancun and the Mexican Caribbean typically rise during the day, to an average of 81.1 degrees in the early afternoon.
By the early evening hours in December the temperature will generally fall to somewhere in the vicinity of 75.1 degrees.
For the month of December as a whole, temperatures in Cancun and the Mexican Caribbean average around 76.1 degrees.
| Early Morning | Late Morning | Early Afternoon | Late Afternoon | Early Evening | Overall |
| 69.2° F |
77.1° F |
81.1° F |
80.3° F |
75.1° F |
76.1° F |
|
Rain
Rain is most likely to occur around 12:00 AM (midnight)
during the month of December, and it is least likely to occur around 6:00 AM.
In Cancun and the Mexican Caribbean during December, thunderstorms -- when they occur -- are most likely sometime around 6:00 PM.
| Percent Frequencies of Hourly Observations | | Hour | Rain
and/or
Drizzle | Thunder-
storms |
| 12:00 AM (midnight) |
3.8 % |
0 % |
| 3:00 AM |
# |
# |
| 6:00 AM |
1.3 % |
0 % |
| 9:00 AM |
3.6 % |
0 % |
| 12:00 PM (noon) |
3.3 % |
0 % |
| 3:00 PM |
2.9 % |
0.2 % |
| 6:00 PM |
2.7 % |
0.4 % |
| 9:00 PM |
2.6 % |
0.2 % |
| ALL |
2.9 % |
0.1 % |
|
