Weather in Puerto Rico: Climate, Seasons, and Average Monthly Temperature

Puerto Rico’s hospitable climate is hot, usually humid, and summerlike all year long. Rainfall is heaviest between May and October, when daytime temperatures peak at around 90 degrees Fahrenheit (32 degrees Celsius). From November through April, daytime highs and nighttime lows will cool off by a few degrees, and rainfall diminishes in most locations as well. 
This article can be read in its entirety on the TripSavvy website.
Photo credit: Wendy Seda