May is Cancún's fine print month: the lowest prices, the warmest sea, and the seaweed you need to read about first.
Weather#
| Typical | |
|---|---|
| Days | ~32°C / 90°F, humid |
| Nights | ~24°C / 75°F |
| Rain | Short afternoon showers on many days |
| Sea | ~28°C / 82°F |
| Sargassum | Often heavy on east-facing beaches |
| Hurricanes | Season starts 1 June |
The seaweed#
Three escapes: the north-facing hotel zone beaches near Punta Cancún, Isla Mujeres' Playa Norte, and Holbox. Plus a resort that rakes every morning. The east-facing Riviera Maya from Playa to Tulum is usually hardest hit. The sargassum guide, Cancún vs Tulum vs Playa.
Prices#
Among the lowest of the year, resorts half empty. Cancún on a budget.
What's on#
Whale shark season opens around the end of May off Isla Mujeres and Holbox. Mother's Day, 10 May, is Mexico's biggest family day; downtown restaurants are booked.
What to do#
Cenotes (unaffected by seaweed), Chichén Itzá and Cobá early (day trips), Isla Mujeres by ferry, Holbox for a night, the pool in the afternoon heat. Things to do, the 5-day itinerary.
Pack#
Light clothes, reef-safe sunscreen, water shoes, a rain layer, bug spray for the cenotes. First time in Cancún.
Ask someone there#
Post your dates on Roavi Community and ask which beach was clear this morning; Local Friends who live in Cancún answer. One evening with one is downtown's Parque de las Palapas and a taquería, where the seaweed doesn't matter.
Cancún in May? Ask a local which beach is clear this week.
Post your tripFrequently Asked Questions
What is the weather like in Cancún in May?
Hot and humid: highs around 32°C (90°F), lows around 24°C (75°F), sunny mornings, a short shower or storm on many afternoons, sea around 28°C (82°F). Hurricane season begins 1 June; May is outside it.How bad is the seaweed in Cancún in May?
Often heavy, alongside June and July, on east-facing beaches from the hotel zone south through Playa and Tulum. It varies by week. Isla Mujeres' Playa Norte, Holbox and Cancún's north-facing stretch near Punta Cancún usually stay clear; raked resort beaches help.Is May a good time to visit Cancún?
For price, yes: among the cheapest weeks with warm weather and quiet resorts. For the beach, choose a north-facing stretch or an island day, or accept a raked resort beach. Cenotes, ruins and the islands are unaffected.When does whale shark season start near Cancún?
Around the end of May or early June, running to mid-September, with boats from Isla Mujeres, Holbox and Cancún to the feeding grounds offshore. Peak is July and August.