April in Tremonton is the rainiest and the windiest month of the year. In April, the weather in Tremonton is typically warm. Average daily high temperature in April is about 11 degrees above zero. On average, Tremonton has 13 rainy, 9 sunny, and 8 partly cloudy days in April. The rains are usually moderate. April as well as February and March is considered the most uncomfortable time to visit Tremonton.