⚠️May is a challenging time to visit San Juan — expect warm days around 87°F (lows near 75°F), heavy rainfall, abundant sunshine.
May Climate
Why This Matches
Based on your May search preferences
Avg highs of 87°F
17 rain days expected
11.4 hours of sunshine per day
75% average humidity
Year-Round Climate
Temperature
Sunshine
Rainfall
Best Time to Visit San Juan
San Juan is a strong year-round destination, but January–August edges ahead, with highs around 84°F, 11+ hours of daily sunshine.
Weather Risks
Frequent rainfall year-round
Avg 19 rain days/month — pack layers and an umbrella
Hurricane season
June – November
What to Pack
Based on May conditions in San Juan
Light, breathable fabrics — linen and cotton are ideal
Rain jacket and waterproof bag are essential — expect frequent showers
High SPF sunscreen, sunglasses, and a hat — strong sun expected
Carry a reusable water bottle — stay hydrated in the heat
Swimwear and water shoes — the beaches are calling
Insect repellent — mosquitoes are active in humid conditions
May in San Juan
Flight prices unavailable for this route
Nightly hotel rates
Budget
$45–$81
Mid-Range
$108–$180
Luxury
$252–$450
About San Juan
Colonial cobblestone streets meet Caribbean beaches. Old San Juan's colorful architecture and rich history blend with modern food scenes, craft cocktail bars, and easy access to bioluminescent bays and El Yunque rainforest.
