SeasonScore
Cancún, Mexico
Photo: Luis Miguel Bugallo Sánchez · CC BY-SA 3.0

Mexico

Cancún in December

🌦️ Shoulder (showers)

Warm, humid and some showers.

🎒 Pack: quick-dry fabrics · sunglasses & hat

Best months: Feb (9.0), Jan (8.9), Mar (8.8)

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Why December scores 8.8What goes into the score

How it works
🌡️ 29° / 20°C🌧️ 80 mm💧 dew pt 21°🍃 PM2.5 6
  • Weather comfort8.2
    • ✓Warm (29°C highs / 20°C lows)
    • !Humid (dew point 21°C)
    • ✓Mostly dry (~80 mm rain)
  • Air quality9.9
    • ✓Good (within WHO guideline) (PM2.5 ~6 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline7.0
    • ·Increased caution
Compare monthsPut December side by side with another month
DecFeb
Score8.8 Excellent9.0 Excellent
Season🌦️ Shoulder (showers)☀️ Dry season
High / low29° / 20°29° / 20°
Rain80 mm43 mm
Humiditydew pt 21°dew pt 20°
PM2.56 µg/m³9 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Cancún weather-station normals. Rainfall: Cancún weather-station normals (national met service).

Holidays & crowdsDecember 2026

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • Christmas Day 25–27 Dec · 3 days off in a row

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore CancúnEvents, sights, food & souvenirs

Check event dates locally

A resort city on Mexico's Caribbean coast with a long hotel zone of white-sand beaches, close to Maya ruins, cenotes and islands.

Events in December

No major events on our calendar for December.

Coming up later

Spring equinox at Chichén ItzáDate variesAround 20–21 March

The afternoon sun creates a serpent-like shadow on the main pyramid.

Why go: Extremely crowded; the effect is visible for several days around the equinox.

Where: Chichén Itzá

Whale shark seasonDate variesUsually June to September

Whale sharks gather to feed on plankton.

Why go: Tours depart early and depend on sea conditions.

Where: Waters off Isla Mujeres and Holbox

Day of the DeadEvery year1–2 November every year

Families honour the dead with altars, food and visits to cemeteries.

Why go: Many hotels and towns hold public displays.

Where: Across the region