Best time to go to San Juan
San Juan experiences its lowest average temperatures in January to February, at 76.5°F (24.7°C), while August to September are the hottest months, with an average temperature of 82.0°F (27.8°C). September tends to be the wettest month. The peak travel months to visit San Juan are March, April, and July, which see a higher number of tourists. During this peak period, the weather is mostly sunny, accompanied by no to light rainfall. In contrast, February, October, and November are ideal if you're looking for a calmer vacation, marked by no to light rainfall and mostly sunny conditions.