San Miguel de Allende Weather in December
With daytime temperatures of 25°C (77°F) and nighttime lows of 8°C (46°F), December in San Miguel de Allende brings high temperatures during the day. It is also the driest month of the year, with minimal rainfall.
Rainfall in San Miguel de Allende in December
December is the month with the least rainfall. Whether you're keen on hiking, outdoor festivals, or just enjoying a walk, this month provides a reliably dry backdrop for all your plans. You can expect rain on around 2 days based on historical patterns, with 5.3 mm (0.2 in) average for the month. On the rare occasion it rains this month, it usually amounts to very little.
Temperature in San Miguel de Allende in December
San Miguel de Allende in December is worth a visit. The temperature is perfect, with 25°C (77°F) during the day and 8°C (46°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in San Miguel de Allende in December
The city usually sees around 218 hours of sunlight, indicating many sunny days — a great month for sightseeing.If you're a fan of comfortable temperatures and drier conditions, December is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our San Miguel de Allende's climate page.
San Miguel de Allende Temperature in December
Min Temperature
8°C (46°F)
Max Temperature
25°C (77°F)
Chance of Rain
6%
Precipitation
5.3 mm (0.2 in)
Rainy days
2 days
Sunshine
218 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in San Miguel de Allende typically stay consistent throughout December, with daily highs averaging around 25°C (77°F). Nights are cold, with lows typically ranging from 6°C (43°F) to 8°C (46°F).
Average temperatures in December
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for San Miguel de Allende in December
Browse day-by-day weather records for San Miguel de Allende spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Miguel de Allende historical weather extremes in December
Based on 39 years of weather observations in San Miguel de Allende between 1986 and 2025, these are the recorded extremes.
- San Miguel de Allende recorded its highest December temperature of 29°C (84°F) on December 5, 2013.
- San Miguel de Allende registered its coldest December night on December 10, 2010, with temperatures dropping to -4°C (25°F).
Best Places in Mexico in December
Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico in December →
perfect weather
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tolerable
unpleasant
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What to Wear in San Miguel de Allende in December
For San Miguel de Allende in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Almost no rain is expected, so no need to bring rain gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in San Miguel de Allende in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our San Miguel de Allende's climate page.
See the full San Miguel de Allende climate overview or explore weather in Mexico.
