December · Mexico
Best time to visit San Miguel de Allende in December Weather, crowds & prices
Weather in San Miguel de Allende in December
Average temperature 13°C, 14 mm of rain, about 17 days with 6+ hours of sunshine and 64% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
9.1/10
Ranked #8 of 12 months
- Avg temp
- 13°C
- Rainfall
- 14 mm
- Humidity
- 64%
- Days with 6h+ sun
- 17
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
December in San Miguel de Allende scores 9.1/10 for sightseeing and cultural travel - ranked #8 of 12. Expect around 13°C, 14 mm of rain, and roughly 17 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.
December in San Miguel de Allende — one of the year's strongest windows (8th)
December averages 13°C (56°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rain is a non-issue at 14 mm for the month, with about 17 days with 6+ hours of sunshine and 10.7 hours of daylight to work with.
A 9.1/10 puts this among the year's best months in San Miguel de Allende (8th of 12); only April scores higher, at 9.9/10.
Pack layers you can shed by midday plus one warm layer for the evening.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in San Miguel de Allende in December?
- In December, San Miguel de Allende averages 13°C, 14 mm of rain, and about 17 days with 6+ hours of sunshine. Its climate-comfort score is 9.1/10.
- Is December a good time to visit San Miguel de Allende?
- December 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 Miguel de Allende in December?
- Expect about 14 mm of rain in December. Average humidity is 64% and there are about 17 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.