In July, the weather in Chignik Lagoon is typically warm. Average daily high temperature in July is about 12 degrees above zero. On average, Chignik Lagoon has 23 rainy, 6 cloudy, and 2 sunny days in July. The rains are usually heavy. July as well as April, May, June, and August is considered the most uncomfortable time to visit Chignik Lagoon.