The climate of Saltillo is arid sub-tropical, with a very mild winter from mid-November to early March, during which it can get cold at night, and a warm, relatively rainy summer from June to September.
The city is located in northeastern Mexico, in the state of Coahuila, in the Sierra Madre Oriental, at 1,600 meters (5,250 feet), and west of Monterrey. We are in the Chihuahuan desert, characterized by cold nights in winter and some rains in summer. In winter, there are frequent changes in temperature, and if it is true that sometimes the temperature can reach 30 °C (86 °F), at other times cold air from the north can arrive, and the temperature can drop a few degrees below freezing. In 2011, even -12.5 °C (9.5 °F) were reached.
The difference in temperature between night and day is often high, even in summer. The hottest days of the year are usually recorded in May or June, before the summer rains, when the temperature can reach 38 °C (100 °F), but sometimes even 40 °C (104 °F).
The average temperature of the coldest month (January) is of 12.1 °C (54 °F), that of the warmest month (June) is of 23.2 °C (74 °F). Here are the average temperatures.

Precipitation amounts to 370 millimeters (14.6 inches) per year: it is therefore quite scarce. It ranges from 10 mm (0.4 in) in the driest months (February, March, November) to 65 mm (2.6 in) in the wettest (September). Here is the average precipitation.

On average, there are around 2,235 sunshine hours per year. Here are the average sunshine hours per day.

Best Time

The best time to visit Saltillo is from November to March. Winter, from December to February, is generally a mild season, although it can sometimes get cold (especially in December and January). You can therefore choose the months of March and November.