What to pack for Cancún in May
- light, breathable clothing
- sun protection (hat, SPF 50)
- a compact umbrella or rain shell — rain is frequent
Humidity averages 76%; max daily wind around 20 km/h.
How May compares
Best months in Cancún: December–March. See the full best time to visit Cancún guide.
Cancún in May: the details
In May, Cancún sees average daytime highs of 31°C (87°F) and overnight lows of 25°C (77°F). Rainfall totals roughly 73 mm across 13 rainy days, and the sun shines about 11.8 hours per day with 13 hours of daylight mid-month. Relative humidity averages 76%.
In context: May is the 4th-warmest month and the 9th-wettest in Cancún. The sunniest month is April (11.8 h/day).
| Metric | May average |
|---|---|
| Daytime high | 31°C / 87°F |
| Overnight low | 25°C / 77°F |
| Rainfall | 73 mm over 13 rainy days |
| Sunshine | 11.8 h/day (13 h daylight) |
| Humidity | 76% |
| Travel score | 5.5 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Cancún, Mexico (21.17, -86.85) — see our methodology. Actual conditions vary year to year.
Not set on Cancún? Browse the best places to visit in May ranked by travel score.
Frequently asked questions
How hot is Cancún in May?
Daytime highs in Cancún in May average 31°C (87°F); nights drop to about 25°C.
Does it rain in Cancún in May?
Expect around 13 rainy days and 73 mm of rainfall in May.
Is May a good time to visit Cancún?
May is a fair shoulder-season month in Cancún — decent conditions with some trade-offs. Overall travel score: 5.5/10. The best months are December–March.
Also good in May, near Cancún
Where should you go next month?
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