May · Mexico
Best time to visit Cancun in May Weather, crowds & prices
Weather in Cancun in May
Average temperature 29°C, 42 mm of rain, about 31 days with 6+ hours of sunshine and 73% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
9.6/10
Ranked #2 of 12 months
- Avg temp
- 29°C
- Rainfall
- 42 mm
- Humidity
- 73%
- Days with 6h+ sun
- 31
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
May in Cancun scores 9.6/10 for beach and coastal travel - one of the top 12-month picks (#2). Expect around 29°C, 42 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Cancún’s Caribbean shores and reef excursions shine in the dry winter months from January through March.
May in Cancun — one of the year's strongest windows (2nd)
May averages 29°C (84°F) and humidity near 73%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Expect 42 mm of rain — occasional showers rather than washed-out days — alongside about 31 days with 6+ hours of sunshine and 13 daylight hours.
A 9.6/10 puts this among the year's best months in Cancun (2nd of 12); only April scores higher, at 9.6/10.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
Figure on peak pricing, with crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Cancun in May?
- In May, Cancun averages 29°C, 42 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 9.6/10.
- Is May a good time to visit Cancun?
- May earns a 9.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Cancun in May?
- Expect about 42 mm of rain in May. Average humidity is 73% and there are about 31 days with 6+ hours of sunshine.
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