The climate of Puerto Rico’s capital city in June is characterized by high temperatures and humidity. Daily average highs typically reach the low 90sF (around 33C), while overnight lows rarely dip below the upper 70sF (around 26C). The sea temperature is also warm, generally around 82F (28C). Rainfall is possible, though June falls within a drier period compared to other parts of the year. Trade winds offer some relief from the heat and humidity.
Understanding the prevailing climatic conditions during this month is crucial for visitors planning trips. Packing appropriate clothing, staying hydrated, and scheduling outdoor activities during cooler parts of the day are essential. The warm ocean temperatures make June an ideal time for swimming, snorkeling, and other water sports. Historically, June marks the beginning of the hurricane season, although the statistical likelihood of a hurricane directly impacting San Juan during this specific month remains relatively low.