April in Gander is the rainiest month of the year. In April, the weather in Gander is typically cold. Average daily high temperature in April is about 3 degrees above zero. On average, Gander has 20 rainy, 6 cloudy, 3 snowy, and 1 sunny day in April. The rains are usually moderate. April as well as May, June, October, and November is considered the most uncomfortable time to visit Gander.