Chignik has a maritime climate characterized by cool summers and warm, rainy winters. Cloud cover and heavy winds are prevalent during winter months. Summer temperatures range from 39 to 60 degrees Fahrenheit. Winter temperatures average 20 degrees Fahrenheit. Annual precipitation averages 127 inches, with an average snowfall of 58 inches.

The summer months of June through August typically have a lot of fog, rain and wind. Temperatures are moderate and on the warm side, averaging around the high 50's.

Winters are mild with the average temperature lingering around the 30's. Usually from January through March there may be large amounts of snow fall, chased immediately by rain. Significant snow falls are normal but don't last long. High winds that could last for days and cause structural damage are normal for this coastal location.

High tides are typical for November through January. The location of the church is threatened by flooding during this time.

Brief description of a typical day in Chignik; it may start out foggy and calm in the morning, by mid-morning it breaks then the sun may peek through. By afternoon it could turn to strong winds and pouring rain. Or it could be snowing/raining (depending on the season) a howling gale in the morning and by evening be as warm and sunny as can be.