Weather in Puerto Rico in July

Still relatively early in the rainy season on Puerto Rico, July sees a slight increase in precipitation from June and a greater probability for severe weather, although still unlikely. Travelers should not be deterred by the rainy season however, as there are still warm temperatures and plenty of sand and sun to enjoy.

Typical Weather in July

July temperatures in Puerto Rico range from an average low of 76.0 degrees to an average high of 88.0 degrees


Puerto Rico in July: Key Facts
Monthly Averages
High Low Rainfall
No. of Days
with Rain
88.0° F 76.0° F 4.5 N.A.

On any given day during July in Puerto Rico, you can expect early morning temperatures to be around 81.0 degrees. The temperature will rise over the course of the typical July day, reaching somewhere around 86.6 degrees by early afternoon. By early evening, temperatures in Puerto Rico generally decline to around 81.1 degrees. Temperatures in Puerto Rico average around 81.9 degrees during July.


July Temperatures in Puerto Rico by Time of Day
Early Morning Late Morning Early Afternoon Late Afternoon Early Evening Overall
81.0° F 85.8° F 86.6° F 84.8° F 81.1° F 81.9° F



Rain is most likely to occur around 2:00 AM during the month of July, and it is least likely to occur around 5:00 PM. To the extent thunderstorms occur in Puerto Rico during July, they are most likely to occur around 2:00 PM, as shown in the following table.


July Rainfall in Puerto Rico by Time of Day
  Percent Frequencies of Hourly Observations
Hour Rain
2:00 AM 6.7 % 0.5 %
5:00 AM 6.5 % 0.8 %
8:00 AM 6.1 % 0.3 %
11:00 AM 6.1 % 0.9 %
2:00 PM 6.1 % 2.4 %
5:00 PM 5 % 1.3 %
8:00 PM 6.1 % 1.2 %
11:00 PM 6.1 % 0.9 %
ALL 6.1 % 1 %


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