February in Rio Grande is the windiest month of the year. In February, the weather in Rio Grande is typically cold. Average daily high temperature in February is about 6 degrees above zero. On average, Rio Grande has 9 sunny, 9 partly cloudy, 7 rainy, 3 cloudy, and 1 snowy day in February. The rains are usually heavy. February as well as January, March, and December is considered the most uncomfortable time to visit Rio Grande.