How cold is Puerto Rico water in summer? In June sea water temperature throughout Puerto Rico warms above 20°C and it is enough for a comfortable bath. Based on average water temperature observations over the past ten years, the warmest sea in Puerto Rico in June was 28.7°C (in Cabo Rojo), and the coldest water 28.1°C (in San Juan). To find out the sea temperature today and in the coming days, go to Current sea temperature in Puerto Rico
Puerto Rico cities and resorts with the values of the average water temperature in June in recent years.
For more detailed information about water temperature, surf forecast, weather and time of sunrise and sunset in any specific area of your interest, just click on a city name. For ease of search, all places are also grouped by the first letter of the name.
To find out what the water temperature was in Puerto Rico any day over a period of the last ten years, select the month