April in Mussoorie is the windiest month of the year. In April, the weather in Mussoorie is typically warm. Average daily high temperature in April is about 24 degrees above zero. On average, Mussoorie has 23 sunny, 6 partly cloudy, and 1 rainy day in April. The rains are usually light. April as well as March and October is considered the most comfortable time to visit Mussoorie.