May in Goa is the cloudiest month of the year. In May, the weather in Goa is typically warm. Average daily high temperature in May is about 13 degrees above zero. On average, Goa has 22 rainy, 4 cloudy, 3 partly cloudy, and 2 sunny days in May. The rains are usually heavy. May as well as April, June, July, and August is considered the most uncomfortable time to visit Goa.