In Puerto Rico, the climate falls into the tropical climatic zone. Fajardo Puerto Rico weather temperatures are moderate year round, averaging near 80 °F (26.7 °C) in lower elevations and 70 °F (21.1 °C) in the mountains. Puerto Rico has a rainy season which stretches from April into November. December through April is the coldest season. (Sweaters are necessary in the mountains during this season.) During the hottest season, July through September, Fajardo, Puerto Rico weather temperatures often top 95° F (32° C).
Water Temperature: Beach water temperature along the Atlantic Ocean ranges from 74°-80°F all year round.
|January||83 °F||71 °F||92 °F||61 °F|
|February||84 °F||71 °F||96 °F||62 °F|
|March||84 °F||72 °F||96 °F||60 °F|
|April||86 °F||73 °F||97 °F||64 °F|
|May||84 °F||74 °F||96 °F||66 °F|
|June||85 °F||75 °F||97 °F||69 °F|
|July||89 °F||77 °F||95 °F||69 °F|
|August||89 °F||77 °F||97 °F||70 °F|
|September||89 °F||76 °F||97 °F||69 °F|
|October||88 °F||76 °F||98 °F||67 °F|
|November||86 °F||74 °F||96 °F||66 °F|
|December||84 °F||72 °F||94 °F||63 °F|