Updated 4 Aug 2026 · recomputed nightly

Visiting Cozumel in December 2026?

December is Cozumel at its busiest: warm and wet, around 27°C / 81°F with rain on about 15 days, and Packed on 17 of 31 days.

In short, a hard sell — heavy crowds without the best of the weather.

Across the 12 months we forecast for Cozumel, December is the busiest of them all. Its heaviest day is Wed 23 Dec, busier than 100% of the year; its lightest is Sun 13 Dec at 23%.

Crowds
25/31 busy or packed
2 calm · 4 lively
Weather
27°C / 81°F
rain ~15 days
Value
A poor trade
a hard sell — heavy crowds without the best of the weather

Preparing pays off in a month like this: timed-entry tickets and pre-booked tours turn the queue time into sightseeing time. see the options →

How busy is Cozumel in December?

The busiest days are the 10th, 14th, 23rd and 30th, and 21 more. Away from those, most days sit Lively.

Cruise ships are in port on 29 of 31 days; the heaviest is Wed 23 Dec, 8 ships in at once. Those mornings fill the squares first — start early, or save them for indoors.

The month is not one thing: its lightest day sits at 23% of the year and its heaviest at 100%, so where you land inside it matters. All five Wednesdays run Packed. Daylight runs about 11 hours.

Either side of it, November is about half as busy and January is a little calmer.

The calmest days are the 6th, 13th and 27th — aim for those if your dates can flex.
184%289%392%487%573%BEST643%780%895%985%HEAVY1096%1181%1261%BEST1323%HEAVY1497%1587%1695%1780%1892%1982%2049%2196%2264%HEAVY23100%2483%2596%2675%BEST2723%2888%2993%HEAVY3097%3193%
CalmLivelyBusyPacked⚓ ships in port · % = busier than this share of the year · tap any day for its full forecast
Best daysSun 6 · Sun 13 · Sun 27 — The calmest days are the 6th, 13th and 27th — aim for those if your dates can flex.
Busiest daysThu 10 · Mon 14 · Wed 23 · Wed 30 — the heaviest of 25 busier days — check the calendar for the rest.

How does January compare? →

Locked into a busy day? Here's the play.

–9am
Own the morning.The ships dock and unload mid-morning. The headline sights before nine are yours.
10–5
Go where the day-trippers don't.Away from the headline sights it stays manageable all day. Save the marquee ones.
5pm+
Take the city back.Ships sail by early evening and the squares empty out — the best hour of the day.

Travelling on a busy day?
Timed-entry and skip-the-line tickets turn queue time into sightseeing time — sort them before you fly.

See skip-the-line options for Cozumel →

December weather in Cozumel

Comfortably warm — around 27°C / 81°F, easy shirtsleeve weather, with rain on about 15 days, so keep a layer handy.

As an Amazon Associate, this site earns from qualifying purchases — we link categories, never specific products we haven't tested.

Is December worth it in Cozumel?

Heavy crowds and only poor weather to show for it — a poor trade. For better value, come in November.

Book beds and the big-ticket sights well ahead, and start your days by eight — in a month this full, the early hours are the only uncrowded ones.

Compare January →

Keep planning

← Cozumel in NovemberThe month before — compare the crowds.Cozumel in January →The month after — compare the crowds. Cozumel, the whole yearAll twelve months on one page. Fort LauderdaleBusy most days in December — see its full year.KralendijkPacked most days in December — see its full year.MelbournePacked most days in December — see its full year.

Built on: Mexico's public holidays · the official hotel-nights pattern (DATATUR, measured 2022–2024; Cozumel) · five years of weather records (2019–2023) · the published cruise schedule
Every figure is recomputed nightly from real cruise schedules, public and school holidays, and long-run climate normals. Gaps are shown, not filled.

Cozumel · Methodology · About · forecast.json · llms.txt · CC BY 4.0