Weather in Puerto Rico in December

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

Puerto Rico in December: Key Facts

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.

December Temperatures in Puerto Rico by Time of Day

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.

December Rainfall in Puerto Rico by Time of Day

	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 %