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.
So this is a great month to visit if you prefer dry days with pleasant temperatures.
Min Temperature
Max Temperature
Chance of Rain
Precipitation
Rainy days
Humidity
Sunshine
Percentage Sunshine
Pick a month to see the average temperature, rainfall and sunshine in San Cristóbal de Las Casas - and find the best time to visit.
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).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
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.
Our historical data for San Cristóbal de Las Casas spans 1976 to 2025, revealing these weather extremes.
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 →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full San Cristóbal de Las Casas climate overview or explore weather in Mexico.
Where to go in December - average daytime high across popular destinations.
Tulum
28°C (82°F) Cancún27°C (81°F) Playa del Carmen28°C (82°F) Puerto Vallarta
27°C (81°F) Los Cabos27°C (81°F) Mexico City21°C (70°F) Puerto Peñasco21°C (70°F) Need travel inspiration? Check out our bucket list articles and be inspired.
San Cristobal de las Casas: The Berlin of Central-Amerika
The whole city is filled with sweet little corners and beautiful churches. All cafes and restaurants have something unique, artistic and alternative. We straight away called it the Berlin of central America.
Warm Sea Without Extreme Heat: 8 Beach Destinations With Comfortable Weather
Love warm seawater but not extreme heat? Compare eight beach destinations where the sea stays warm while daytime temperatures remain comfortable.
Best Spring Break Destinations for Great Weather and Fewer Crowds
Skip crowded spring break resorts. Compare March weather and travel style in Puerto Escondido, San Juan del Sur, Roatán, Caye Caulker and Curaçao.
Warm Days, Cool Nights: 8 Destinations With the Perfect Day-Night Temperature
Prefer warm sunny days but cool evenings? Compare eight destinations with daytime temperatures of around 25–30°C, cooler nights, low rainfall and plenty of sunshine.
