May · Mexico
Best time to visit San Cristóbal de las Casas in May Weather, crowds & prices
Weather in San Cristóbal de las Casas in May
Average temperature 23°C, 79 mm of rain, about 27 days with 6+ hours of sunshine and 65% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
8.1/10
Ranked #6 of 12 months
- Avg temp
- 23°C
- Rainfall
- 79 mm
- Humidity
- 65%
- Days with 6h+ sun
- 27
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in San Cristóbal de las Casas scores 8.1/10 for sightseeing and cultural travel - an above-average month (#6 of 12). Expect around 23°C, 79 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.
San Cristóbal's colonial lanes and Maya villages sit in the cool highlands of Chiapas.
May in San Cristóbal de las Casas: strong conditions, 6th of 12
At 23°C (74°F) this is comfortable city weather in May, with sightseeing easiest before lunch and after the afternoon peak.
Budget for roughly 79 mm of rain this month — a flexible day or two helps — with about 27 days with 6+ hours of sunshine and 12.8 hours of daylight to work around it.
That is 8.1/10 on the same scale — 6th of 12 months, versus 9.9/10 for the best month here.
Pack light clothing, a hat and real sun protection, a packable rain layer.
Expect mid-season pricing, and crowds are moderate.
If your dates are flexible, March is materially better in San Cristóbal de las Casas — 1.8 points higher on the same scale.
Frequently asked
- What is the weather like in San Cristóbal de las Casas in May?
- In May, San Cristóbal de las Casas averages 23°C, 79 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 8.1/10.
- Is May a good time to visit San Cristóbal de las Casas?
- May earns a 8.1/10 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 May?
- Expect about 79 mm of rain in May. Average humidity is 65% and there are about 27 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.

