August in Selawik is the rainiest month of the year. In August, the weather in Selawik is typically warm. Average daily high temperature in August is about 13 degrees above zero. On average, Selawik has 15 rainy, 6 sunny, 5 cloudy, and 5 partly cloudy days in August. The rains are usually moderate. August as well as January, February, March, and September is considered the most uncomfortable time to visit Selawik.