Short answer: yes. December brings warm, comfortable beach weather, a festive holiday vibe, and the start of high season. Go in early December for calmer crowds and better availability, or embrace the late-month buzz for Christmas and New Year’s.
Weather in December: warm days, mild nights
Expect daytime highs around the upper 70s to mid-80s °F (≈26–29 °C) with lower humidity than summer. Skies trend sunnier with limited rainfall, and the Caribbean Sea stays swimmable for snorkeling and boat trips. Evenings dip to the low 70s °F (≈21–23 °C)—comfortable for outdoor dinners; pack a light layer just in case.
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FAQs
Is Cancun warm in December?
Yes. Upper 70s to mid-80s °F (≈26–29 °C) by day with milder humidity than summer; nights are comfortable.
Does it rain a lot in December?
Rain chances drop versus fall; brief showers are possible, but sunny, dry days are the norm.
Can you swim comfortably?
Absolutely. The Caribbean stays warm, suitable for snorkeling and boat trips.
Is December high season?
Yes. December launches peak season; early month is calmer, while holidays are busiest and priciest.
So…is December a good time to go?
**Yes—**for many travelers, it’s the best mix of weather, sea conditions, and celebrations. Choose early December for fewer crowds, or late December for full holiday energy.
