San Cristóbal de las Casas weather in August
August in San Cristóbal de las Casas: nice, soaked, with clean air — fine if you can take 24 rainy days.
#10 of 12 months in San Cristóbal de las Casas · #596 of 897 destinations to visit in August · comfort 74/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on San Cristóbal de las Casas in August
No notes yet. Open San Cristóbal de las Casas on the map to add the first one.
San Cristóbal de las Casas climate normals — August
| Daytime high | 22°C / 71°F | 😎 nice |
|---|---|---|
| Nighttime low | 14°C / 57°F | |
| Rainfall | 347 mm / 13.6 in | ⛈ soaked |
| Rainy days | 24 days | |
| Humidity | 84% | 💦 very humid |
| Dew point | 14°C / 57°F | |
| Sunshine | 10 h/day | |
| Daylight | 12.7 h | |
| Wind | 6 km/h / 4 mph | |
| Air quality (US AQI) | 33 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is San Cristóbal de las Casas?
Loading map…
San Cristóbal de las Casas in August — FAQ
- Is August a good time to visit San Cristóbal de las Casas?
- August in San Cristóbal de las Casas: nice, soaked, with clean air — fine if you can take 24 rainy days. It ranks #10 of 12 months for San Cristóbal de las Casas on SeasonMap's comfort score (74/100).
- What is the weather like in San Cristóbal de las Casas in August?
- In August, San Cristóbal de las Casas averages a daily high of 21.8°C and a low of 13.7°C, with about 346.6 mm of rain over roughly 24.4 rainy days.
- What is the air quality in San Cristóbal de las Casas in August?
- San Cristóbal de las Casas has a mean US Air Quality Index of about 33 in August.