San Juan Weather in October

Hot and humid, with frequent heavy rain. Average highs of 31°C and lows of 24°C, with around 21 rainy days expected throughout the month.

While October isn't our top-rated month for San Juan, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.

Average high

31°C

Average low

24°C

Rainy days

21 days

Best months to visit

Year-round

What to do in San Juan in October

Whatever the weather, San Juan rewards curious visitors. Here are some of the best ways to spend your time:

Old San Juan walking tours and colonial fort exploration El Yunque waterfall hiking and rainforest bathing Bioluminescent bay kayaking at night (Vieques) Rum distillery tours and tasting at local distilleries Beach days at Flamenco Beach (Culebra) via ferry Salsa dancing lessons and nightclub experiences

What to pack for October

Light breathable clothing, high-SPF sunscreen, a wide-brimmed hat, and a reusable water bottle are essential. Pack sandals and at least one light layer for air-conditioned interiors.