San Miguel de Allende weather in August
August in San Miguel de Allende: warm, rainy, with clean air — an excellent time to visit.
#12 of 12 months in San Miguel de Allende · #158 of 897 destinations to visit in August · comfort 90/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on San Miguel de Allende in August
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San Miguel de Allende climate normals — August
| Daytime high | 26°C / 79°F | 🌤 warm |
|---|---|---|
| Nighttime low | 15°C / 59°F | |
| Rainfall | 103 mm / 4.1 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 72% | 💧 humid |
| Dew point | 14°C / 56°F | |
| Sunshine | 10.9 h/day | |
| Daylight | 12.8 h | |
| Wind | 17 km/h / 11 mph | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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San Miguel de Allende in August — FAQ
- Is August a good time to visit San Miguel de Allende?
- August in San Miguel de Allende: warm, rainy, with clean air — an excellent time to visit. It ranks #12 of 12 months for San Miguel de Allende on SeasonMap's comfort score (90/100).
- What is the weather like in San Miguel de Allende in August?
- In August, San Miguel de Allende averages a daily high of 25.9°C and a low of 15.2°C, with about 103.3 mm of rain over roughly 13 rainy days.
- What is the air quality in San Miguel de Allende in August?
- San Miguel de Allende has a mean US Air Quality Index of about 42 in August.