April in Westendorf is the windiest month of the year. In April, the weather in Westendorf is typically cold. Average daily high temperature in April is about 10 degrees above zero. On average, Westendorf has 11 rainy, 8 sunny, 6 partly cloudy, 4 cloudy, and 1 snowy day in April. The rains are usually heavy. April as well as March, May, June, and July is considered the most uncomfortable time to visit Westendorf.