San Juan Climate & Weather
San Juan Climate and Weather
San Juan, like all of Puerto Rico, has a tropical monsoon climate and enjoys warm, sunny days for most of the year. The tropical climate ensures an average temperature around 81°F (27°C), with an average low of only 71°F (22°C) year-round. Humidity runs continuously at around 80 percent.
The rainy season peaks in August, and rain can be extremely heavy with each month receiving rain roughly half of its days. The driest months are February to April. Between August and November the island is vulnerable to hurricanes.
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