San Miguel de Allende weather in December
December in San Miguel de Allende: nice, dry, with clean air — an excellent time to visit.
#8 of 12 months in San Miguel de Allende · #27 of 897 destinations to visit in December · comfort 93/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on San Miguel de Allende in December
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San Miguel de Allende climate normals — December
| Daytime high | 23°C / 73°F | 😎 nice |
|---|---|---|
| Nighttime low | 10°C / 49°F | |
| Rainfall | 12 mm / 0.5 in | ☀️ dry |
| Rainy days | 3 days | |
| Humidity | 64% | 💧 humid |
| Dew point | 6°C / 43°F | |
| Sunshine | 9.1 h/day | |
| Daylight | 10.9 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 47 | 🍃 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 December — FAQ
- Is December a good time to visit San Miguel de Allende?
- December in San Miguel de Allende: nice, dry, with clean air — an excellent time to visit. It ranks #8 of 12 months for San Miguel de Allende on SeasonMap's comfort score (93/100).
- What is the weather like in San Miguel de Allende in December?
- In December, San Miguel de Allende averages a daily high of 22.7°C and a low of 9.6°C, with about 12 mm of rain over roughly 2.6 rainy days.
- What is the air quality in San Miguel de Allende in December?
- San Miguel de Allende has a mean US Air Quality Index of about 47 in December.