Saltillo Weather in December
During December, Saltillo experiences pleasant daytime temperatures of 20°C (68°F) and cooler nights around 6°C (43°F). As the driest month of the year, rainfall is at its lowest.
Rainfall in Saltillo in December
Expect fewer clouds and less rain as the month goes on. This makes it an ideal time for outdoor activities. On average, there are about 2 days with rain during this month, averaging 20 mm (0.8 in). When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.
Temperature in Saltillo in December
December is a perfect month in Saltillo, with 20°C (68°F) during the day and 6°C (43°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to 6°C (43°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Saltillo in December
Expect sunny days throughout the month, with an estimated 219 hours of sunshine. This makes it a pleasant time to visit Saltillo.So this is a great month to visit if you prefer dry days with pleasant temperatures.
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 Saltillo's climate page.
Saltillo Temperature in December
Daily Historical Temperatures
48-year average (1977-2025)
Based on our historical records, temperatures in Saltillo typically stay consistent throughout December, with daily highs averaging around 20°C (68°F). Nights are cold, with lows typically ranging from 6°C (43°F) to 9°C (48°F).
Average temperatures in December
Daily Historical Precipitation
48-year average (1977-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Saltillo in December
Browse day-by-day weather records for Saltillo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Saltillo historical weather extremes in December
According to our 38 years of weather records for Saltillo, the following extremes were recorded between 1987 and 2025.
- The hottest December day on record in Saltillo reached 34°C (93°F) (December 29, 2021).
- Nighttime temperatures dropped to -8°C (18°F) on December 19, 1996, marking the coldest December night on record.
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
pleasant
tolerable
unpleasant
poor
What to Wear in Saltillo in December
Pleasant temperatures in December mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Pack a light rain jacket or compact umbrella for occasional showers. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Saltillo 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 Saltillo's climate page.
Temperature Rainfall Sunshine Humidity
See the full Saltillo climate overview or explore weather in Mexico.