What to pack for Cancun in May

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

At UV 11.3, skin burns in minutes without SPF 50.

UV index of 11.3 creates intense glare off water and sand.

Humidity at 77% keeps mosquito season active through May.

Tap water isn't safe and minor cuts get infected quickly in heat.

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

Thirteen hours of daylight means devices drain from constant use.

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

Overhead bins on international routes fit this size, checked bags don't.

Park visits and city exploration need a pack that doesn't tire shoulders.

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.

Sweat soaks through fabric in 86°F heat and 77% humidity.

UV hits 11.3 here. Long sleeves beat reapplying sunscreen every hour.

Water temperature stays at 77°F year-round, making swimming comfortable daily.

Wet ground from 14 rain days means footwear that drains matters.

Direct sun for 13.2 hours daily makes shade on the face essential.

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

Cold water at 3pm is worth the weight.

Treat the clothes once and it lasts weeks.

Diarrhea from unfamiliar water leaves you dehydrated in 86°F temperatures.

Stomach upset from tap water happens to most visitors here.

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 urban crowds make theft a daily risk.

Airport crowds and crowded transport make bag tracking worthwhile.

Humidity ruins organization, so cubes keep clothes dry and sorted.

Fourteen rain days and constant water mean phones need waterproofing.

Humidity and heat make clothes smell after one wear without washing.

Heat peaks at 86°F with no cool-down, so legs stay bare.

Fourteen rainy days soak shoes and boots, so protection prevents rot.

Lips crack and burn under UV 11.3 without constant protection.

Surfaces in public spaces carry bacteria tap water doesn't kill.

Bites itch worse in heat, and scratching leads to infection.

Humidity at 77% corrodes connectors, so spares prevent dead electronics.

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

International entry requires documents safe from 14 rain days monthly.

International airport and shared transport mean locks protect checked bags.

Moisture from 77% humidity and rain ruins toiletries without hanging space.