December · Mexico
Best time to visit San Cristóbal de las Casas in December Weather, crowds & prices
Weather in San Cristóbal de las Casas in December
Average temperature 17°C, 20 mm of rain, about 16 days with 6+ hours of sunshine and 79% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
8.9/10
Ranked #5 of 12 months
- Avg temp
- 17°C
- Rainfall
- 20 mm
- Humidity
- 79%
- Days with 6h+ sun
- 16
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
December in San Cristóbal de las Casas scores 8.9/10 for sightseeing and cultural travel - an above-average month (#5 of 12). Expect around 17°C, 20 mm of rain, and roughly 16 days with 6+ hours of sunshine this month.
San Cristóbal's colonial lanes and Maya villages sit in the cool highlands of Chiapas.
December in San Cristóbal de las Casas — one of the year's strongest windows (5th)
Temperatures hover around 17°C (63°F) — the kind of month where neither heat nor cold forces the schedule.
With around 20 mm of rain, any showers tend to pass through rather than settle in; about 16 days with 6+ hours of sunshine and 11 hours of daylight fill the rest.
On our climate-comfort scale this is one of the strongest months of the year for San Cristóbal de las Casas at 8.9/10 (5th of 12), just behind March at 9.9/10.
Pack layers you can shed by midday plus one warm layer for the evening.
Budget for peak pricing, and crowds are moderate.
Frequently asked
- What is the weather like in San Cristóbal de las Casas in December?
- In December, San Cristóbal de las Casas averages 17°C, 20 mm of rain, and about 16 days with 6+ hours of sunshine. Its climate-comfort score is 8.9/10.
- Is December a good time to visit San Cristóbal de las Casas?
- December earns a 8.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in San Cristóbal de las Casas in December?
- Expect about 20 mm of rain in December. Average humidity is 79% and there are about 16 days with 6+ hours of sunshine.
Curated in San Cristóbal de las Casas
Tickets & experiences
Things to do in San Cristóbal de las Casas
San Cristóbal de las Casas, Mexico. Live activities and tours from GetYourGuide, matched to this destination.