February in Dumas is the cloudiest month of the year. In February, the weather in Dumas is typically warm. Average daily high temperature in February is about 14 degrees above zero. On average, Dumas has 10 rainy, 8 sunny, 7 partly cloudy, and 4 cloudy days in February. The rains are usually heavy. February as well as January, March, May, and June is considered the most uncomfortable time to visit Dumas.