Climate - Saltillo (Coahuila)

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 13 °C (55.5 °F), that of the warmest month (June) is of 23 °C (73.5 °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.

Saltillo - Weather by month

Based on the period 1991-2020

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In January, the coldest month of the year, the weather in Saltillo is usually mild. However, there are remarkable differences between night and day. The average temperature is of 13 °C (55 °F), with a minimum of 4.6 °C (40.2 °F) and a maximum of 21.4 °C (70.6 °F).
On the coldest nights of the month, the temperature usually drops to around -3.5 °C (25.5 °F). However, it dropped to -8.5 °C (16.7 °F) in January 2010.
On the warmest days of the month, the temperature usually reaches around 28.5 °C (83.5 °F). However, it reached 32 °C (89.6 °F) in January 2009.
Precipitation amounts to 15 mm (0.6 in), distributed over 3 days.
The day lasts on average 10 hours and 50 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 56%.
The average wind speed is 10 kph (6 mph).

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In February, the weather in Saltillo is usually very mild. However, there are remarkable differences between night and day. The average temperature is of 15.0 °C (59 °F), with a minimum of 6.5 °C (43.8 °F) and a maximum of 23.4 °C (74.2 °F).
On the coldest nights of the month, the temperature usually drops to around -2 °C (28.5 °F). However, it dropped to -12.5 °C (9.5 °F) in February 2011.
On the warmest days of the month, the temperature usually reaches around 30 °C (86.5 °F). However, it reached 35 °C (95 °F) in February 2011.
Precipitation amounts to 10 mm (0.4 in), distributed over 3 days.
The day lasts on average 11 hours and 20 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 53%.
The average wind speed is 11 kph (7 mph).

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In March, the weather in Saltillo is usually very mild. However, there are remarkable differences between night and day. The average temperature is of 17.1 °C (63 °F), with a minimum of 8.5 °C (47.4 °F) and a maximum of 25.7 °C (78.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 0 °C (32 °F). However, it dropped to -6 °C (21.2 °F) in March 1996.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 32 °C (90 °F). However, it reached 38 °C (100.4 °F) in March 2020.
Precipitation amounts to 10 mm (0.4 in), distributed over 2 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 53% of the time.
The average humidity is 50%.
The average wind speed is 13 kph (8 mph).

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In April, the weather in Saltillo is usually warm. However, there are remarkable differences between night and day. The average temperature is of 20.3 °C (69 °F), with a minimum of 11.9 °C (53.4 °F) and a maximum of 28.8 °C (83.8 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 4 °C (39.5 °F). However, it dropped to 1 °C (33.8 °F) in April 2007.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 34 °C (93.5 °F). However, it reached 39 °C (102.2 °F) in April 2011.
Precipitation amounts to 15 mm (0.6 in), distributed over 3 days.
The day lasts on average 12 hours and 50 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 47% of the time.
The average humidity is 48%.
The average wind speed is 13 kph (8 mph).

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In May, the weather in Saltillo is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 22.6 °C (73 °F), with a minimum of 14.4 °C (57.9 °F) and a maximum of 30.7 °C (87.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 8.5 °C (47 °F). However, it dropped to 1.6 °C (34.9 °F) in May 2013.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 36 °C (96.5 °F). However, it reached 40 °C (104 °F) in May 2011.
Precipitation amounts to 30 mm (1.2 in), distributed over 5 days.
The day lasts on average 13 hours and 25 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 50%.
The average wind speed is 14 kph (9 mph).

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In June, the warmest month of the year, the weather in Saltillo is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 23.0 °C (73 °F), with a minimum of 15.3 °C (59.5 °F) and a maximum of 30.6 °C (87.2 °F).
On the coldest nights, the temperature usually drops to around 11.5 °C (52.5 °F). However, it dropped to 8 °C (46.4 °F) in June 2016.
On the warmest days, the temperature usually reaches around 35.5 °C (95.5 °F). However, it reached 38 °C (100.4 °F) in June 2007.
Precipitation amounts to 45 mm (1.8 in), distributed over 6 days.
The day lasts on average 13 hours and 40 minutes. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 7 hours of sunshine per day. So, the sun shines 53% of the time.
The average humidity is 54%.
The average wind speed is 13 kph (8 mph).

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In July, the weather in Saltillo is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 22.8 °C (73 °F), with a minimum of 15.9 °C (60.6 °F) and a maximum of 29.7 °C (85.5 °F).
On the coldest nights of the month, the temperature usually drops to around 12.5 °C (54 °F). However, it dropped to 10.2 °C (50.4 °F) in July 2018.
On the warmest days of the month, the temperature usually reaches around 34 °C (93 °F). However, it reached 38.2 °C (100.8 °F) in July 1996.
Precipitation amounts to 60 mm (2.4 in), distributed over 9 days.
The day lasts on average 13 hours and 30 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 56%.
The average wind speed is 13 kph (8 mph).

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In August, the weather in Saltillo is usually warm. However, there are remarkable differences between night and day. The average temperature is of 22.3 °C (72 °F), with a minimum of 15.1 °C (59.2 °F) and a maximum of 29.5 °C (85 °F).
On the coldest nights of the month, the temperature usually drops to around 11.5 °C (53 °F). However, it dropped to 8.2 °C (46.8 °F) in August 2013.
On the warmest days of the month, the temperature usually reaches around 33 °C (91.5 °F). However, it reached 37 °C (98.6 °F) in August 2011.
Precipitation amounts to 60 mm (2.4 in), distributed over 9 days.
The day lasts on average 13 hours and 0 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 58%.
The average wind speed is 12 kph (7 mph).

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In September, the weather in Saltillo is usually warm. However, there are remarkable differences between night and day. The average temperature is of 20.2 °C (68 °F), with a minimum of 13.4 °C (56.1 °F) and a maximum of 26.9 °C (80.5 °F).
On the coldest nights, the temperature usually drops to around 8 °C (47 °F). However, it dropped to 3.5 °C (38.3 °F) in September 2008.
On the warmest days, the temperature usually reaches around 32 °C (89.5 °F). However, it reached 36 °C (96.8 °F) in September 2006.
Precipitation amounts to 65 mm (2.6 in), distributed over 8 days.
The day lasts on average 12 hours and 20 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 66%.
The average wind speed is 11 kph (7 mph).

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In October, the weather in Saltillo is usually warm. However, there are remarkable differences between night and day. The average temperature is of 18.6 °C (65 °F), with a minimum of 11 °C (51.7 °F) and a maximum of 26.2 °C (79.2 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 4 °C (39 °F). However, it dropped to -1 °C (30.2 °F) in October 2000.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 31.5 °C (89 °F). However, it reached 36 °C (96.8 °F) in October 2006.
Precipitation amounts to 30 mm (1.2 in), distributed over 5 days.
The day lasts on average 11 hours and 30 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 52% of the time.
The average humidity is 62%.
The average wind speed is 10 kph (6 mph).

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In November, the weather in Saltillo is usually very mild. However, there are remarkable differences between night and day. The average temperature is of 15.6 °C (60 °F), with a minimum of 7.6 °C (45.6 °F) and a maximum of 23.7 °C (74.7 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -0.5 °C (31.5 °F). However, it dropped to -6.1 °C (21 °F) in November 1991.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 30 °C (86 °F). However, it reached 34 °C (93.2 °F) in November 2011.
Precipitation amounts to 10 mm (0.4 in), distributed over 3 days.
The day lasts on average 10 hours and 55 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 60%.
The average wind speed is 10 kph (6 mph).

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In December, the weather in Saltillo is usually mild. However, there are remarkable differences between night and day. The average temperature is of 13.6 °C (57 °F), with a minimum of 5.4 °C (41.8 °F) and a maximum of 21.8 °C (71.3 °F).
On the coldest nights of the month, the temperature usually drops to around -3.5 °C (26 °F). However, it dropped to -9 °C (15.8 °F) in December 1996.
On the warmest days of the month, the temperature usually reaches around 28.5 °C (83.5 °F). However, it reached 31 °C (87.8 °F) in December 2008.
Precipitation amounts to 15 mm (0.6 in), distributed over 3 days.
The day lasts on average 10 hours and 35 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 5 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 57%.
The average wind speed is 10 kph (6 mph).