August · Mexico
Best time to visit San Luis Potosí in August Weather, crowds & prices
Weather in San Luis Potosí in August
Average temperature 19°C, 63 mm of rain, about 31 days with 6+ hours of sunshine and 68% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
9.1/10
Ranked #8 of 12 months
- Avg temp
- 19°C
- Rainfall
- 63 mm
- Humidity
- 68%
- Days with 6h+ sun
- 31
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
August in San Luis Potosí scores 9.1/10 for sightseeing and cultural travel - ranked #8 of 12. Expect around 19°C, 63 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
San Luis Potosí anchors the Bajío with plazas, theatre façades, and day trips toward Real de Catorce. Best window: cooler months from late autumn through early spring.
August ranks 8th of 12 for San Luis Potosí — one of the best windows
At 19°C (66°F) this is comfortable city weather in August, with sightseeing easiest before lunch and after the afternoon peak.
Budget for roughly 63 mm of rain this month — a flexible day or two helps — with about 31 days with 6+ hours of sunshine and 12.8 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for San Luis Potosí at 9.1/10 (8th of 12), just behind April at 9.9/10.
Pack light clothing, a hat and real sun protection, a packable rain layer.
Budget for mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in San Luis Potosí in August?
- In August, San Luis Potosí averages 19°C, 63 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 9.1/10.
- Is August a good time to visit San Luis Potosí?
- August earns a 9.1/10 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 Luis Potosí in August?
- Expect about 63 mm of rain in August. Average humidity is 68% and there are about 31 days with 6+ hours of sunshine.
Curated in San Luis Potosí
Tickets & experiences
Things to do in San Luis Potosí
San Luis Potosí, Mexico. Live activities and tours from GetYourGuide, matched to this destination.

