VILLA DE ARRIAGA, SAN LUIS POTOSI

This climate type occurs primarily on the periphery of the true deserts in low-latitude semiarid steppe regions. It is transitional to the tropical wet-dry climate on the equatorward side and to the mediterranean climate on its poleward margin, with a cooler, wetter winter resulting from the higher latitude and mid-latitude frontal cyclone activity. Annual precipitation totals are greater than in tropical and subtropical desert climates. Yearly variations in amount are not as extreme as in the true deserts but are nevertheless large.

The K�ppen Climate Classification subtype for this climate is "BSk". (Tropical and Subtropical Steppe Climate).

The average amount of precipitation for the year in Villa De Arriaga is 20.0" (508 mm). The month with the most precipitation on average is September with 3.3" (83.8 mm) of precipitation. The month with the least precipitation on average is February with an average of 0.4" (10.2 mm). In terms of liquid precipitation, there are an average of 54.3 days of rain, with the most rain occurring in June with 8.2 days of rain, and the least rain occurring in March with 1.2 days of rain.