August · Mexico
Best time to visit San Miguel de Allende in August Weather, crowds & prices
Weather in San Miguel de Allende in August
Average temperature 20°C, 96 mm of rain, about 29 days with 6+ hours of sunshine and 70% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
8.3/10
Ranked #11 of 12 months
- Avg temp
- 20°C
- Rainfall
- 96 mm
- Humidity
- 70%
- Days with 6h+ sun
- 29
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
August in San Miguel de Allende scores 8.3/10 for sightseeing and cultural travel - ranked #11 of 12. Expect around 20°C, 96 mm of rain, and roughly 29 days with 6+ hours of sunshine this month.
San Miguel de Allende's baroque churches and artist studios fill a colonial hill town in Mexico's Bajío.
August holds up well in San Miguel de Allende — 11th best month
August averages 20°C (67°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Rainfall runs 96 mm, so plan one flexible day in three; you still get about 29 days with 6+ hours of sunshine and 12.7 hours of daylight.
It scores 8.3/10 here, 11th of 12 months, against 9.9/10 in the destination's best month.
Pack light clothing, a hat and real sun protection, a packable rain layer.
Figure on low-season pricing, with crowds are light for this destination.
Flexible dates? April scores 1.6 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in San Miguel de Allende in August?
- In August, San Miguel de Allende averages 20°C, 96 mm of rain, and about 29 days with 6+ hours of sunshine. Its climate-comfort score is 8.3/10.
- Is August a good time to visit San Miguel de Allende?
- August earns a 8.3/10 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 Miguel de Allende in August?
- Expect about 96 mm of rain in August. Average humidity is 70% and there are about 29 days with 6+ hours of sunshine.
Curated in San Miguel de Allende
Tickets & experiences
Things to do in San Miguel de Allende
San Miguel de Allende, Mexico. Live activities and tours from GetYourGuide, matched to this destination.

