April in Spokane is the windiest month of the year. In April, the weather in Spokane is typically warm. Average daily high temperature in April is about 12 degrees above zero. On average, Spokane has 16 rainy, 6 sunny, 6 partly cloudy, and 2 cloudy days in April. The rains are usually moderate. April as well as January, February, March, and November is considered the most uncomfortable time to visit Spokane.