<P> The climate of Puerto Rico in the Köppen climate classification is predominately tropical rainforest . Temperatures throughout the year are warm to hot, averaging near 85 ° F (29 ° C) in lower elevations and 70 ° F (21 ° C) in the mountains . Easterly trade winds pass across the island year round while the rainy season stretches from April into November . The relatively cool trade winds are blocked by the mountains of the Cordillera Central which causes rain shadows and sharp variations in the temperature and wind speed over short distances . About a quarter of the average annual rainfall for Puerto Rico occurs during tropical cyclones, which are more frequent during La Niña years . </P> <P> Temperatures range from 70 to 90 ° F (21 to 32 ° C) in the lower elevations, while higher elevations in the central part of the island experience temperatures between 61 and 80 ° F (16 and 27 ° C) year round . The temperature in the south is a few degrees higher than the north . Between winter and summer, there is only a temperature swing of around 6 ° F (3.3 ° C). Coastal water temperatures average between 77 ° F in February to 87 ° F in August . The highest temperature ever recorded was 103 ° F (39 ° C) at San Lorenzo, while the lowest temperature ever recorded was 38 ° F (3 ° C) at Aibonito . </P>

What is the average temperature in puerto rico