In July, the weather in Chignik Lagoon is typically warm. Average daily high temperature in July is about 14 degrees above zero. On average, Chignik Lagoon has 15 rainy, 11 cloudy, 4 partly cloudy, and 1 sunny day in July. The rains are usually moderate. July as well as April, May, June, and August is considered the most uncomfortable time to visit Chignik Lagoon.