San Cristóbal de Las Casas Weather in August
During August, San Cristóbal de Las Casas experiences high daytime temperatures of 26°C (79°F) and cooler nights around 15°C (59°F). August sits within the rainy season, so expect regular and often heavy rainfall.
Rainfall in San Cristóbal de Las Casas in August
As part of the rainy season, San Cristóbal de Las Casas sees around 17 days of rain in August, with an average of 323 mm (13 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.
Temperature in San Cristóbal de Las Casas in August
San Cristóbal de Las Casas in August gets highs of 26°C (79°F) during the day and drops to 15°C (59°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 15°C (59°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in San Cristóbal de Las Casas in August
The city usually sees around 179 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).August in San Cristóbal de Las Casas has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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 August
Min Temperature
15°C (59°F)
Max Temperature
26°C (79°F)
Chance of Rain
56%
Precipitation
323 mm (13 in)
Rainy days
17 days
Humidity
80%
Sunshine
179 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 August, with daily highs averaging around 26°C (79°F). Nights are cool, with lows around 14°C (57°F).
Average temperatures in August
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 August
Historical weather for San Cristóbal de Las Casas in August
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 August
Based on 49 years of weather observations in San Cristóbal de Las Casas between 1976 and 2025, these are the recorded extremes.
- The warmest day in August was on August 20, 1994, with a maximum of 39°C (102°F).
- The lowest daytime temperature in August was 18°C (64°F), recorded on August 29, 2002.
- The coldest night in August in San Cristóbal de Las Casas was on August 5, 1988, with a minimum of 6°C (43°F).
Best Places in Mexico in August
Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico in August →
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What to Wear in San Cristóbal de Las Casas in August
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in San Cristóbal de Las Casas in August
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.
