April in Grandvalira is the rainiest month of the year. In April, the weather in Grandvalira is typically cold. Average daily high temperature in April is about 7 degrees above zero. On average, Grandvalira has 25 rainy, 4 sunny, and 1 partly cloudy day in April. The rains are usually heavy. April as well as January, February, March, and May is considered the most uncomfortable time to visit Grandvalira.