August · Mexico
Best time to visit San Cristóbal de las Casas in August Weather, crowds & prices
Weather in San Cristóbal de las Casas in August
Average temperature 21°C, 181 mm of rain, about 26 days with 6+ hours of sunshine and 81% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
6.7/10
Ranked #9 of 12 months
- Avg temp
- 21°C
- Rainfall
- 181 mm
- Humidity
- 81%
- Days with 6h+ sun
- 26
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
August in San Cristóbal de las Casas scores 6.7/10 for sightseeing and cultural travel - ranked #9 of 12. Expect around 21°C, 181 mm of rain, and roughly 26 days with 6+ hours of sunshine this month.
San Cristóbal's colonial lanes and Maya villages sit in the cool highlands of Chiapas.
August in San Cristóbal de las Casas: mixed conditions, plan around the weather
At 21°C (69°F) this is comfortable city weather in August, with sightseeing easiest before lunch and after the afternoon peak.
181 mm of rain makes this a wet month here, though with about 26 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 6.7/10 on the same scale — 9th of 12 months, versus 9.9/10 for the best month here.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Expect mid-season pricing, and crowds are moderate.
If your dates are flexible, March is materially better in San Cristóbal de las Casas — 3.2 points higher on the same scale.
Frequently asked
- What is the weather like in San Cristóbal de las Casas in August?
- In August, San Cristóbal de las Casas averages 21°C, 181 mm of rain, and about 26 days with 6+ hours of sunshine. Its climate-comfort score is 6.7/10.
- Is August a good time to visit San Cristóbal de las Casas?
- August earns a 6.7/10 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 August?
- Expect about 181 mm of rain in August. Average humidity is 81% and there are about 26 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.