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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.
So this is a great month to visit if you prefer dry days with pleasant temperatures.
Pick a month to see the average temperature, rainfall and sunshine in Saltillo - and find the best time to visit.
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).
48-year average (1977-2025)
Average daily rainfall for each day of the month based on long-term records.
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.
According to our 38 years of weather records for Saltillo, the following extremes were recorded between 1987 and 2025.
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 is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Saltillo climate overview or explore weather in Mexico.
Where to go in December - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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