May in Arinsal is the rainiest and the cloudiest month of the year. In May, the weather in Arinsal is typically warm. Average daily high temperature in May is about 13 degrees above zero. On average, Arinsal has 18 rainy, 6 partly cloudy, 5 sunny, and 2 cloudy days in May. The rains are usually heavy. May as well as January, February, March, and April is considered the most uncomfortable time to visit Arinsal.