Temperatures in Puerto Rico

No matter when you visit, the tropical climate of Puerto Rico essentially guarantees that you will experience warm weather during your stay.

Still, understanding the weather patterns of the island is a great idea for those who are planning their trips around specific activities, or want to know what type of clothing to pack.  The average annual temperature ranges between a low of 74 and a high of 86 degrees Fahrenheit.  June, August, and September tie as the hottest months of the year, with an average high of of 89 degrees Fahrenheit, while January and February are the coldest, hitting lows of 70 degrees Fahrenheit. 

Average High and Low Temperature
  Monthly Averages
Month High Low
January 83.0° F 70.0° F
February 84.0° F 70.0° F
March 85.0° F 71.0° F
April 86.0° F 73.0° F
May 87.0° F 74.0° F
June 89.0° F 76.0° F
July 88.0° F 76.0° F
August 89.0° F 76.0° F
September 89.0° F 76.0° F
October 88.0° F 75.0° F
November 86.0° F 74.0° F
December 84.0° F 72.0° F
Annual 86.0° F 74.0° F


Throughout the day, temperatures in Puerto Rico can fluctuate up to ten degrees.  Early morning sees the coolest weather, and as the sun becomes more prominent in the sky, the temperature begins to rise.  The highest temperature of the day tends to hit in the early afternoon, slowly dropping as the day progresses in to evening.  You can use this information, which is provided in further detail on the chart below, to help you plan your daily activities. 

Average Temperature by Time of Day
  Average Temperatures throughout the Day
Month Early
Morning
Late
Morning
Early
Afternoon
Late
Afternoon
Early
Evening
Overall
January 73.1° F 80.4° F 81.6° F 79.6° F 75.8° F 76.2° F
February 73.4° F 80.7° F 82.0° F 80.1° F 76.0° F 76.4° F
March 75.1° F 81.8° F 83.0° F 80.9° F 76.7° F 77.3° F
April 77.7° F 83.1° F 83.9° F 81.8° F 77.9° F 78.7° F
May 79.5° F 84.4° F 84.9° F 82.9° F 79.2° F 80.0° F
June 81.0° F 85.8° F 86.5° F 84.5° F 80.7° F 81.4° F
July 81.0° F 85.8° F 86.6° F 84.8° F 81.1° F 81.9° F
August 81.0° F 86.3° F 86.9° F 84.9° F 81.2° F 82.0° F
September 80.7° F 86.3° F 86.5° F 84.3° F 80.9° F 81.6° F
October 79.8° F 85.8° F 86.0° F 83.5° F 79.9° F 80.8° F
November 77.6° F 83.7° F 84.2° F 81.7° F 78.6° F 79.2° F
December 75.0° F 81.5° F 82.4° F 80.1° F 76.9° F 77.4° F
Annual 77.9° F 83.8° F 84.6° F 82.4° F 78.8° F 79.4° F

 

 

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