TravelTill

Climate in San Miguel de Allende


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The main river in the area is the Laja, which crosses from north to south before finally emptying in the Lerma River in the municipality of Salamanca. The river currently has serious pollution issues because it is used for discharge of waste water without prior treatment. Most of this discharge is from the residential areas of San Miguel and Dolores Hidalgo. In addition to the river, there are four principal arroyos that pass by the municipal seal, the La Ca�adita, El Atascadero, Las Cachinches and El Obraje. The last receives most of the area�s runoff during the rainy season which feeds the Las Colonias and El Obraje dams. The most important dam in the area is the Ignacio Allende dam, located in the west of the municipality. Most of the municipality�s potable water comes from here and it controls flooding along the Lajas River. Other dams include La Cantera and Bordo Grande located in the south and north of the municipality respectively along with the aforementioned Las Colonias and El Obraje, which are mostly used for irrigation. The municipality also has fresh water, thermal and alkaline springs, many of which are used as ecotourist attractions such as the El Chorro, Montecillo, El Cortijo, Cieneguita, Atotonilco and Taboada spas. One other spa is the El Xot�, which as sulfur-laden waters. The climate in the area is mostly temperate and semi-arid, with average temperatures varying between 16 and 22 �C. Summers are moderately hot with a rainy season that generally producing sporadic thunderstorms. Winters are moderate. The temperature varies between 16 and 22 �C with cool winters. One exception to this is the extreme west of the municipality where the climate is wetter. Ecosystems include shrublands, forests of holm oak, and areas where nopal cactus and/or grass
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