July in Vilhena is the windiest and the sunniest month of the year. In July, the weather in Vilhena is typically hot. Average daily high temperature in July is about 30 degrees above zero. On average, Vilhena has 24 sunny, 5 partly cloudy, and 2 rainy days in July. The rains are usually light. July as well as June is considered the most comfortable time to visit Vilhena.