In August, the weather in Tlaxcala de Xicoténcatl is typically warm. Average daily high temperature in August is about 18 degrees above zero. On average, Tlaxcala de Xicoténcatl has 29 rainy and 2 sunny days in August. The rains are usually heavy. August as well as June, July, and September is considered the most uncomfortable time to visit Tlaxcala de Xicoténcatl.