December · Mexico
Best time to visit Cancun in December Weather, crowds & prices
Weather in Cancun in December
Average temperature 25°C, 109 mm of rain, about 10 days with 6+ hours of sunshine and 81% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
6.5/10
Ranked #12 of 12 months
- Avg temp
- 25°C
- Rainfall
- 109 mm
- Humidity
- 81%
- Days with 6h+ sun
- 10
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Cancun scores 6.5/10 for beach and coastal travel - ranked #12 of 12. Expect around 25°C, 109 mm of rain, and roughly 10 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.
December in Cancun — workable with trade-offs
December averages 25°C (77°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
At 109 mm this is a genuinely wet month: about 10 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 6.5/10 here, 12th of 12 months, against 9.6/10 in the destination's best month.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.
Figure on low-season pricing, with crowds are light for this destination.
Flexible dates? April scores 3.1 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Cancun in December?
- In December, Cancun averages 25°C, 109 mm of rain, and about 10 days with 6+ hours of sunshine. Its climate-comfort score is 6.5/10.
- Is December a good time to visit Cancun?
- December earns a 6.5/10 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 December?
- Expect about 109 mm of rain in December. Average humidity is 81% and there are about 10 days with 6+ hours of sunshine.
Curated in Cancun
Tickets & experiences
Things to do in Cancun
Cancun, Mexico. Live activities and tours from GetYourGuide, matched to this destination.