Climate guide for San Miguel de Allende, Mexico

San Miguel de Allende in August

Weather, crowds & best time to visit

How to read the score (0–10)
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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

Full year for San Miguel de Allende
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.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

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.