April in White Bear Lake is the windiest month of the year. In April, the weather in White Bear Lake is typically warm. Average daily high temperature in April is about 11 degrees above zero. On average, White Bear Lake has 15 rainy, 7 cloudy, 5 sunny, and 3 partly cloudy days in April. The rains are usually heavy. April as well as January, March, May, and November is considered the most uncomfortable time to visit White Bear Lake.