San Cristóbal de Las Casas Weather in December
December in San Cristóbal de Las Casas sees daytime temperatures around 24°C (75°F) and lows of 12°C (54°F) at night. The excellent weather makes it a good time to visit.
Rainfall in San Cristóbal de Las Casas in December
Typically around 3 days of rainfall are expected, averaging 29 mm (1.1 in) for the month. Showers tend to be short but heavy rather than persistent drizzle. When it rains, it usually means it, but it doesn't last long.
Temperature in San Cristóbal de Las Casas in December
The excellent temperature in San Cristóbal de Las Casas in December makes it a solid month to visit, with 24°C (75°F) during the day and 12°C (54°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 12°C (54°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in San Cristóbal de Las Casas in December
The month enjoys around 191 hours of sunshine, creating mostly sunny days with good weather conditions.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our San Cristóbal de Las Casas's climate page.
San Cristóbal de Las Casas Temperature in December
Min Temperature
12°C (54°F)
Max Temperature
24°C (75°F)
Chance of Rain
10%
Precipitation
29 mm (1.1 in)
Rainy days
3 days
Humidity
80%
Sunshine
191 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in San Cristóbal de Las Casas typically stay consistent throughout December, with daily highs averaging around 24°C (75°F). Nights are cool, with lows typically ranging from 8°C (46°F) to 11°C (52°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for San Cristóbal de Las Casas in December
Browse day-by-day weather records for San Cristóbal de Las Casas spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Cristóbal de Las Casas historical weather extremes in December
Our historical data for San Cristóbal de Las Casas spans 1976 to 2025, revealing these weather extremes.
- The warmest day in December was on December 24, 2006, with a maximum of 35°C (95°F).
- San Cristóbal de Las Casas experienced its chilliest December day on December 7, 2003, reaching only 11°C (52°F).
- The coldest night in December in San Cristóbal de Las Casas was on December 27, 1989, with a minimum of -4°C (25°F).
Best Places in Mexico in December
Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico in December →
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What to Wear in San Cristóbal de Las Casas in December
Comfortable temperatures call for an easy wardrobe in December. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Light rain is possible, so consider bringing a small umbrella or rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in San Cristóbal de Las Casas in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our San Cristóbal de Las Casas's climate page.
Temperature Rainfall Sunshine Humidity
See the full San Cristóbal de Las Casas climate overview or explore weather in Mexico.
