Monthly 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. 

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.