May in Coyhaique is the rainiest and the cloudiest month of the year. In May, the weather in Coyhaique is typically cold. Average daily high temperature in May is about 5 degrees above zero. On average, Coyhaique has 19 rainy, 6 cloudy, 4 sunny, and 2 partly cloudy days in May. The rains are usually heavy. May as well as June, July, and August is considered the most uncomfortable time to visit Coyhaique.