December in Puerto Rico marks the begining of the tourist season, and with the beautiful weather, it's not hard to see why. Travelers wanting to escape from the cold winter weather back home will enjoy the warm temperatures, cooling breezes, and a decrease in rainfall that December has to offer.
Typical Weather in December
Temperatures in Puerto Rico during December generally vary between an average high during the day of 84.0 degrees and an average low at night of 72.0 degrees
| Monthly Averages | | High | Low | Rainfall
(inches) | No. of Days
with Rain |
| 84.0° F |
72.0° F |
4.7 |
N.A. |
|
During the early morning hours of an average December day in Puerto Rico, you can expect the temperature will be in the vicinity of 75.0 degrees.
Temperatures in Puerto Rico typically rise during the day, to an average of 82.4 degrees in the early afternoon.
By early evening, temperatures in Puerto Rico generally decline to around 76.9 degrees.
Temperatures in Puerto Rico average around 77.4 degrees during December.
| Early Morning | Late Morning | Early Afternoon | Late Afternoon | Early Evening | Overall |
| 75.0° F |
81.5° F |
82.4° F |
80.1° F |
76.9° F |
77.4° F |
|
Rain
Rain is most likely to occur around 2:00 AM
during the month of December, and it is least likely to occur around 11:00 AM.
In Puerto Rico during December, thunderstorms -- when they occur -- are most likely sometime around 5:00 PM.
| Percent Frequencies of Hourly Observations | | Hour | Rain
and/or
Drizzle | Thunder-
storms |
| 2:00 AM |
9.2 % |
0.1 % |
| 5:00 AM |
7.9 % |
0.1 % |
| 8:00 AM |
7.3 % |
0.1 % |
| 11:00 AM |
5.1 % |
0 % |
| 2:00 PM |
5.9 % |
0.2 % |
| 5:00 PM |
6.1 % |
0.4 % |
| 8:00 PM |
6.7 % |
0.1 % |
| 11:00 PM |
8.7 % |
0.1 % |
| ALL |
7.1 % |
0.1 % |
|
