Cancún in December
Holiday peak
- Temperature
- 20–29°C
- Crowds
- Very High
- Prices
- $$$$
+Dry, sunny weather returns.
–Christmas and New Year prices.
December brings dry weather back, and the last two weeks are the busiest and most expensive of the year.
Cancún vs San Juan in December
Cancún and San Juan are close in December. Cancún averages 20–29°C with very high crowds; San Juan 23–29°C with high crowds.
By Daan · Last reviewed October 2026
Cancún and San Juan
The verdict for December
- WeatherVery similar8/10 vs 7.5/10
- CrowdsVery similarVery High vs High
- PricesVery similar$$$$ vs $$$$
- OverallVery similar6/10 vs 6/10
San Juan in December
Holiday season
- Temperature
- 23–29°C
- Crowds
- High
- Prices
- $$$$
+A long, festive holiday season.
–Busy and expensive later in the month.
December starts Puerto Rico's long holiday season, with music, lights and parties that run into January.
Scores and crowd levels are my own judgement; temperatures are monthly averages. Higher scores are better: quieter, cheaper and more pleasant.
Another month