What to pack for Puerto Rico in August

20 rain days a month finds every seam. A real shell, not a windbreaker.

UV index hits 10.6, the highest category for sun damage.

Some islands fine you for the regular stuff.

Water glare off the coast strains unprotected eyes.

Island humidity and coastal winds bring mosquitoes year-round.

Stings, cuts, and minor infections happen in water sports.

Tap water isn't safe here. A filter bottle beats buying plastic twice a day.

Twelve-hour daylight means devices run down faster than home.

Set it up before you land. Signal drops for long stretches outside cities.

Overhead bins on small regional flights are tight.

Day trips to beaches and towns need a separate bag.

Fits the overhead on every airline that matters. Skip the checked-bag line entirely.

For the passport, the chargers, and the one dry pair of socks.

Anything heavier than linen is a mistake at 88°F.

Sweat clings to skin in 78 percent humidity and 31-degree heat.

UV hits 10.6 here. Long sleeves beat reapplying sunscreen every hour.

Twenty rain days a month means frequent trips to the water.

Wet terrain and frequent storms make solid footing essential.

Twelve hours of direct sun daily burns exposed skin fast.

Constant sweating in tropical heat depletes electrolytes quickly.

Cold water at 3pm is worth the weight.

Treat the clothes once and it lasts weeks.

Tap water isn't safe, so stomach trouble arrives often.

Unfamiliar bacteria cause digestive problems within days.

One brick charges the laptop, phone, and camera.

Hotel and cafe wifi is shared with everyone else in the building. A VPN keeps your banking and email to yourself.

International travel and island theft make security matter.

Crowded beaches and ferry terminals attract bag thieves.

High humidity and salt spray wreck fabric quickly.

Sweat and salt water make laundry twice weekly.

Coastal waters and reefs are the main attraction.

Rain and ocean spray soak gear constantly.

Heat and humidity rule out long pants for most of the day.

Doubles as a towel, a scarf, and a cover-up where one's expected.

Salt spray and moisture degrade leather and canvas constantly.

Lips crack and burn under intense equatorial sun.

Contaminated water makes hand washing your first defense.

Insect bites and sunburn both need treatment here.

Humidity and salt water corrode connectors without protection.

A few phrases go a long way. Ten minutes a day before you leave is plenty.

International entry requires documents that stay dry and safe.

Island airports and ferries see luggage theft regularly.

Humidity and heat grow mold on wet toiletries fast.