Travelers looking for a break from harsh winters back home will delight in the warm and mild conditions they will find during their January stay in Puerto Rico. Temperatures in the mid 70s and 80s degrees Fahrenheit and a low occurence of rainfall make January one of the most popular months to visit.

Typical Weather in January

During January the temperatures in Puerto Rico typically vary between a daily high of about 83.0 degrees and a daily low of approximately 70.0 degrees

Puerto Rico in January: Key Facts

Monthly Averages High Low Rainfall (inches) No. of Days with Rain 83.0° F 70.0° F 3.0 N.A.

During the early morning hours of an average January day in Puerto Rico, you can expect the temperature will be in the vicinity of 73.1 degrees. Temperatures in Puerto Rico typically rise during the day, to an average of 81.6 degrees in the early afternoon. By the early evening hours in January the temperature will generally fall to somewhere in the vicinity of 75.8 degrees. For the month of January as a whole, temperatures in Puerto Rico average around 76.2 degrees.

January Temperatures in Puerto Rico by Time of Day

Early Morning Late Morning Early Afternoon Late Afternoon Early Evening Overall 73.1° F 80.4° F 81.6° F 79.6° F 75.8° F 76.2° F

Rain

Rain is least likely to occur in Puerto Rico during January around 2:00 PM, and it is most likely to occur around 5:00 AM. In Puerto Rico during January, thunderstorms -- when they occur -- are most likely sometime around 5:00 AM.

January Rainfall in Puerto Rico by Time of Day

Percent Frequencies of Hourly Observations Hour Rain and/or Drizzle Thunder- storms 2:00 AM 7.5 % 0 % 5:00 AM 8.1 % 0.1 % 8:00 AM 6.9 % 0 % 11:00 AM 5.7 % 0 % 2:00 PM 4.5 % 0.1 % 5:00 PM 4.9 % 0.1 % 8:00 PM 5.6 % 0 % 11:00 PM 5.9 % 0 % ALL 6.1 % N.A.