
Weather
San Juan weather is slightly cooler than other Caribbean island groups owing to the proximity to the continental North American cold air systems. Clothing adequate for San Juan weather includes lightweight or tropical, cottons all year round. Light raincoats are useful, since San Juan weather has a wet season. San Juan weather temperatures average around 20°C (68°F) during the winter season, and 30°C (86°F) during the summer. San Juan weather presents a fairly high humidity, particularly in the summer.