What to pack for Cancún in December
- t-shirts and light layers
- a light jacket for evenings
- a compact umbrella or rain shell — rain is frequent
Humidity averages 78%; max daily wind around 17 km/h.
How December compares
Best months in Cancún: December–March. See the full best time to visit Cancún guide.
Cancún in December: the details
In December, Cancún sees average daytime highs of 27°C (80°F) and overnight lows of 22°C (72°F). Rainfall totals roughly 96 mm across 14.5 rainy days, and the sun shines about 9.5 hours per day with 10.7 hours of daylight mid-month. Relative humidity averages 78%.
In context: December is the 11th-warmest month and the 6th-wettest in Cancún. The sunniest month is April (11.8 h/day).
| Metric | December average |
|---|---|
| Daytime high | 27°C / 80°F |
| Overnight low | 22°C / 72°F |
| Rainfall | 96 mm over 14.5 rainy days |
| Sunshine | 9.5 h/day (10.7 h daylight) |
| Humidity | 78% |
| Travel score | 8.2 / 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 December ranked by travel score.
Frequently asked questions
How hot is Cancún in December?
Daytime highs in Cancún in December average 27°C (80°F); nights drop to about 22°C.
Does it rain in Cancún in December?
Expect around 14.5 rainy days and 96 mm of rainfall in December.
Is December a good time to visit Cancún?
December is a good month to visit Cancún. Overall travel score: 8.2/10. The best months are December–March.
Also good in December, near Cancún
Where should you go next month?
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