Saltillo Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Saltillo, Coahuila, Mexico. This average is based on long-term data collected between 1990 and 2020. Let's now guide you through the details for a complete overview.

Generally, Saltillo has a moderate amount of precipitation, averaging 637 mm (25 in) of rainfall annually. However, it does experience a distinct dry season during certain months. Take a look at our detailed charts below to see the seasonal variation.

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm (0.01 in))

The climate in Saltillo shows significant variation throughout the year. Expect 117 mm (4.6 in) of precipitation during the wettest month September, distributed over 6 rainy days.

In contrast, December offers drier and sunnier days, with around 20 mm (0.8 in) of rainfall over 2 rainy days.

September, the wettest month, has a maximum daytime temperature of 25°C (77°F). The city receives 213 hours of sunshine in this period. During the driest month December you can expect a temperature of 20°C (68°F). For more detailed insights into the city's temperatures, visit our Saltillo Temperature page.

Saltillo's average annual precipitation is 637 mm (25 in). Let's compare this to some popular worldwide tourist destinations:

In Lisbon, Portugal, the average annual precipitation is 774 mm (30 in), characterized by wet winters and dry summers typical of the Mediterranean climate.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 1000 mm (39 in) of annual rainfall, mostly in the summer.

In Tokyo, Japan, the average annual precipitation is 1528 mm (60 in), with significant summer rains due to typhoon season.

Bangkok, Thailand, experiences a tropical monsoon climate with 1668 mm (66 in) of annual rainfall, with the heaviest precipitation occurring during September and October.

Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.

Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.

Climate change is affecting precipitation patterns worldwide, including Saltillo:

• Changing Rainfall Patterns: Global warming causes drastic changes in the patterns of rainfall. Some areas have been experiencing increased frequency and intensity of rainfall, while other areas experience longer dry spells or even droughts.
• Local Impacts: Many regions are experiencing heavier rainfall in the winter months and drier, hotter summers. This affects agriculture, water resources, and ecosystems.

• "Ginger" was the longest-lasting Atlantic tropical storm, which spun around the open ocean for 28 days in 1971.
• The world's largest snowflake was recorded in the Guinness Book of Records, at 38 cm (15 inches) wide and 20 cm (7.9 inches) thick. The snowflake fell at Fort Keogh, Montana, USA, on 28 January 1887.
• The greatest snowfall recorded was on Mt. Rainier, Washington State, USA, over 31.5 meters (103 feet) fell during the winter of 1972.

For more detailed information about Saltillo's weather, including sunshine hours, humidity levels, and temperature data, visit our Saltillo Climate page.