April in Anahim Lake is the rainiest month of the year. In April, the weather in Anahim Lake is typically cold. Average daily high temperature in April is about 3 degrees above zero. On average, Anahim Lake has 14 cloudy, 12 rainy, 2 sunny, and 2 partly cloudy days in April. The rains are usually light. April as well as May and October is considered the most uncomfortable time to visit Anahim Lake.