August in Anahim Lake is the warmest month of the year. In August, the weather in Anahim Lake is typically warm. Average daily high temperature in August is about 16 degrees above zero. On average, Anahim Lake has 13 partly cloudy, 11 sunny, 4 cloudy, and 3 rainy days in August. The rains are usually light. August as well as July is considered the most comfortable time to visit Anahim Lake.