July weather forecast in Rio Grande

July in Rio Grande is the warmest month of the year. In July, the weather in Rio Grande is typically warm. Average daily high temperature in July is about 26 degrees above zero. On average, Rio Grande has 15 sunny, 13 partly cloudy, and 3 rainy days in July. The rains are usually moderate. July as well as June, August, and September is considered the most comfortable time to visit Rio Grande.