May in Ovalle is the rainiest and the cloudiest month of the year. In May, the weather in Ovalle is typically warm. Average daily high temperature in May is about 22 degrees above zero. On average, Ovalle has 21 sunny, 9 partly cloudy, and 1 rainy day in May. The rains are usually moderate. May as well as April, June, July, and August is considered the most comfortable time to visit Ovalle.