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Mexico in December
Posadas processions run December 16-24; join neighborhood celebrations for authentic experience.
What to expect in Mexico in December
December brings mild weather to Mexico, with daytime highs around 21°C (70°F) and overnight lows near 6°C (43°F). Skies are typically practically rain-free, with about 8 mm of rainfall on average. Posadas processions run December 16-24; join neighborhood celebrations for authentic experience..
December is one of Mexico's busiest months, so book accommodation early and expect queues at the headline sights. Flights and hotels are at peak rates, so use our tracker below to spot any drops. Peak season runs December–March, for context.
Live fares for Mexico in December
Compare flights across 100+ booking sites. Hotels via Expedia.