San Cristóbal de las Casas weather in August [2026]

Month summary

San Cristóbal de las Casas weather in August

⚠️ Fair

🌡️ Temperature min / max

12°C – 20°C

🌧 Rainy days

81% of days

☀️ Sunshine

11.0h per day on average

🌊 🌊 Season

Summer

⭐ ⭐ Weather score

5.9/10

📅 📅 Best month

March (7.9/10)

Quick decision

Should you visit San Cristóbal de las Casas in August?

⚠️ Fair

✅ Yes if: you prefer off-season travel with reduced prices and very few tourists.

❌ No if: you want to avoid rain — more than half the days are rainy.

🌧 Rain : ████████░░ 81%

🌡 Temperature : █████░░░░░ 20°C

☀️ Sunshine : ████████░░ 11.0h/d

Our take: Not the best window: 81% rain risk and 11.0h of sunshine. March is much safer.

By trip type

San Cristóbal de las Casas in August by trip type

🏙️ 🏙️ City break / culture : ⚠️ Possible
🚶 🚶 Outdoor activities : ❌ Not recommended
🏖️ Beach / swimming : — No sea access
💰 💰 Budget : ✅ Low season

Local context

What to expect in August

🎯 Cultural sites less crowded than peak season — more enjoyable visits In August, San Cristóbal de las Casas sees 20°C during the day with 11.0h of sunshine per day. With 81% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. March (7.9/10) is significantly better if possible.

Browse by month

All months for San Cristóbal de las Casas

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Annual table

Month-by-month comparison

Month	Min °C	Max °C	Rain %	Precip mm	Sun h/d	Score
🌤️ January	9°C	19°C	21%	0.8	10.8h	7.5/10
🌤️ February	10°C	20°C	21%	0.8	11.0h	7.7/10
🌤️ March	11°C	22°C	31%	1.1	11.5h	7.9/10
🌤️ April	11°C	22°C	47%	2.4	12.0h	7.5/10
🌧️ May	12°C	22°C	74%	6.9	12.0h	7.1/10
🌧️ June	13°C	19°C	89%	14.2	9.9h	4.4/10
🌧️ July	12°C	20°C	72%	7.5	11.7h	7.0/10
🌧️ August	12°C	20°C	81%	11.6	11.0h	5.9/10
🌧️ September	12°C	19°C	89%	13.7	9.8h	4.5/10
🌧️ October	12°C	19°C	73%	7.2	10.5h	6.0/10
🌦️ November	11°C	19°C	49%	2.8	10.8h	7.1/10
🌤️ December	10°C	18°C	27%	1.0	10.7h	7.3/10

Ideal Fair Challenging climate ◀ Current month · Source Open-Meteo · 10 years

📊 Data source Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In August, San Cristóbal de las Casas averages 20°C, 81% rainy days and 11.0h of sunshine per day. Overall weather score: 5.9/10. See methodology →

Comparison

August vs March (best month)

The best month is March (score 7.9/10). Difference:

🌡️ Max temperature : +2°C
🌧 Rainy days : -50%
☀️ Sunshine : +0.5h/day

FAQ

FAQ — San Cristóbal de las Casas in August

Is August a good time to visit San Cristóbal de las Casas?

August is an acceptable time for San Cristóbal de las Casas (score 5.9/10). Conditions are decent but not optimal — consider March (7.9/10) if possible.

Does it rain a lot in San Cristóbal de las Casas in August?

Yes, 81% of days see rain in August. Plan some indoor activities as backup.

Accommodation