SeasonScore
Mexico City, Mexico
Photo: VV Nincic · CC BY 2.0

Mexico

Mexico City in December

🌤️ Cool dry season

Pleasant and mostly dry. Watch for hazy air.

🎒 Pack: warm jacket for evenings · N95 mask for hazy days

Best months: Apr (9.2), May (9.0), Oct (9.0)

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Why December scores 8.5What goes into the score

How it works
🌡️ 22° / 9°C🌧️ 5 mm💧 dew pt 4°🍃 PM2.5 38
  • Weather comfort9.5
    • ✓Comfortable temperatures (22°C highs / 9°C lows)
    • ✓Comfortable humidity (dew point 4.3°C)
    • ✓Mostly dry (~5 mm rain)
  • Air quality5.3
    • !Unhealthy for sensitive groups (PM2.5 ~38 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline7.0
    • ·Increased caution
Compare monthsPut December side by side with another month
DecApr
Score8.5 Excellent9.2 Excellent
Season🌤️ Cool dry season☀️ Warm dry season
High / low22° / 9°28° / 13°
Rain5 mm24 mm
Humiditydew pt 4°dew pt 4°
PM2.538 µg/m³18 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Mexico City weather-station normals. Rainfall: Ciudad de México 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 Mexico CityEvents, sights, food & souvenirs

Check event dates locally

Mexico's high-altitude capital, built on the ruins of Aztec Tenochtitlan, with major museums, a historic centre, varied neighbourhoods and a celebrated street-food culture.

Events in December
Día de la Virgen de GuadalupeEvery year12 December every year

Millions of pilgrims visit the basilica to honour Mexico's patron saint.

Why go: The area is extremely crowded from the 11th; plan around it.

Where: Basílica de Guadalupe

Coming up later

Semana Santa Passion playDate variesEaster week — usually March or April, date moves each year

A large re-enactment of the Passion of Christ staged by local residents since 1843.

Why go: Crowds are enormous; go with care and minimal valuables.

Where: Iztapalapa

Independence Day (El Grito)Every yearNight of 15 September and 16 September every year

The President gives the Cry of Independence from the National Palace balcony, followed by fireworks; a military parade follows on the 16th.

Why go: The Zócalo is packed and access is controlled.

Where: Zócalo

Día de MuertosEvery year1–2 November every year, with altars and parades from late October

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

Why go: The large parade and public altars draw big crowds.

Where: Citywide, especially Zócalo, Coyoacán and Mixquic