March in Tehuacan is the windiest and the sunniest month of the year. In March, the weather in Tehuacan is typically warm. Average daily high temperature in March is about 19 degrees above zero. On average, Tehuacan has 13 sunny, 13 partly cloudy, and 5 rainy days in March. The rains are usually light. March as well as February and December is considered the most comfortable time to visit Tehuacan.