Silao is located in the Mexican state of Guanajuato. It is situated 100° 25′ 59″ longitude west of the Greenwich meridian and 20° 56′ 24″ latitude north. Its altitude is 1,780 meters above sea level. The municipality of Silao has an area of 538.5 km2, equivalent to 1.76% of the total state area. The city of
Guanajuato lies to the east and north of Silao; to the south lies
Irapuato; to the west is
Romita; to the northwest is
León.
Geology The territory of Silao is almost planar formed in by the
Bajío, between its few important elevations, one can find the 'Cerro del Cubilete' whose altitude is 2,570 meters above sea level and is considered the geographic center of the country.
Hydrography The Silao River, crosses the major part of the municipal territory. It is fed by the Magueyes, Pascuales, Hondo, and Tigre streams, as well as the Gigante River, which is its major tributary. Within the municipality are some streams of importance, like those of the Agua Zarca, San Francisco, El Paraíso, Pabileros, and Aguas Buenas.
Climate The climate of the city is semi-arid in the majority of the territory, with rains in the summer and an average annual temperature of 28 °C. Temperatures can rise as high as 34 °C in the month of June, and a minimum of 0 °C has been reached in the months of December and January. However, in the northeastern zone the climate varies to semi-dry with a temperature predominantly in excess of 28 °C. Precipitation varies between 600 and 800 millimeters per year. ==Economy==