What May feels like in Cancun
May sits between Cancun's dry and wet seasons. Expect proper heat in the afternoon — slow down between noon and four. Even after dark it stays hot and sultry. High humidity makes the heat feel heavier and sticky, especially on still afternoons.
Rain in Cancun in May
Rain is part of normal life this month, falling on about one day in 2. Each rainy day adds about 6.4 mm (0.3 in), a proper wetting rather than a sprinkle. Across the year Cancun averages about 7 mm per rainy day, so May is typical.
Daylight and sunshine in May
On 15 May the sun rises at about 6:10 am and sets around 7:17 pm local time, giving 13 h 8 min of daylight. Days are getting longer: 31 min more daylight than in mid-April. Measured sunshine covers about 91% of the daylight — skies are mostly clear.
How May compares to the rest of the year
Ranked by average high, May comes out as the 5th warmest month in Cancun. Afternoons run 0.8°C (1.4°F) warmer than in April, with 46 mm more rain. Temperatures keep climbing into June. June averages a high of 29.6°C (85.3°F).
Who May suits
- Sightseeing: a good fit — the weather rarely gets in the way of a city walk.
- Parks & outdoor: less ideal — afternoons are too warm to linger outside.
- Beach: less ideal — too many rainy days.
Tips for visiting Cancun in May
Rain Protection
A packable rain jacket saves the day on showery afternoons.
Sun Protection
Sunscreen, a hat and sunglasses; light breathable clothes.
Quick questions
How warm is Cancun in May?
It feels hot: typical highs are 29.5°C (85.1°F), with lows near 25.2°C (77.4°F).
Does it rain a lot in Cancun in May?
Quite a lot — 83 mm spread over about 13 days.
What should I wear in Cancun in May?
Based on the averages: rain protection and sun protection. Evenings feel similar to the day, so the same clothes work from morning to night.
Is May or June better for visiting Cancun?
May, clearly: it ranks #6 of 12 among Cancun's months, against #9 for the other. June has more rainy days.