March weather forecast in Rio Grande

March in Rio Grande is the rainiest month of the year. In March, the weather in Rio Grande is typically cold. Average daily high temperature in March is about 8 degrees above zero. On average, Rio Grande has 10 sunny, 9 rainy, 8 partly cloudy, and 4 cloudy days in March. The rains are usually moderate. March as well as January, February, and December is considered the most uncomfortable time to visit Rio Grande.