What to pack for Puerto Rico in October

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

UV index of 7.9 burns exposed skin in under 20 minutes.

Some islands fine you for the regular stuff.

Glare off water and sand intensifies at this latitude.

October is peak mosquito season in the Caribbean.

Remote island means medical help is not around the corner.

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

Eleven hours of daylight means camera and phone drain by evening.

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

Boats to day trips and shared guesthouses mean a pack that fits overhead.

Day trips to beaches and hiking spots need a pack that fits the boat.

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 86°F.

Heat and 81% humidity make sweat constant; fibers that dry fast prevent chafe.

UV hits 7.9 here. Long sleeves beat reapplying sunscreen every hour.

Coastal location and warm water mean swimming happens almost daily.

Island terrain and water access call for shoes that drain quickly.

Eleven hours of direct sun daily requires shade for the face and neck.

Heat, humidity, and activity drain electrolytes faster than water alone replaces them.

Cold water at 3pm is worth the weight.

Treat the clothes once and it lasts weeks.

Tap water isn't safe here and diarrhea dehydrates fast in 30 C heat.

Twenty-two rain days mean wet feet and contaminated water cause stomach trouble.

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 crowded beaches create pickpocket risk.

Crowded beaches and airport baggage handlers steal bags on international routes.

Constant water access and 22 rain days soak clothes, so separate wet from dry.

Twenty-two rain days and constant water access require phone protection.

Humidity at 81% grows mildew on damp fabric within hours of rain.

Coastal access and calm water make snorkeling the main activity.

Temperatures stay between 24 and 30 degrees Celsius year-round.

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

Twenty-two rain days in October saturate footwear; spray keeps leather from rotting.

Lips crack and burn at UV 7.9 without protection.

Tap water contamination spreads through unwashed hands to your mouth.

UV index 7.9 burns skin that insect bites then infect in 81% humidity.

Multiple devices charge from one power bank only with short cables.

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

International border crossings require passport access without opening main bags.

Shared guesthouses and airport baggage handlers mean locks deter casual theft.

Shared guesthouses have one bathroom and one shelf, so hanging storage saves space.