About Nikiski, AK's Climate & Weather History

Nikiski is a city of approximately 4,500 people in Alaska, United States. Located in the Alaska Time Zone at 60.7°N latitude.

In 2025, Nikiski recorded an average annual temperature of 40°F. The hottest temperatures reached 69°F in August; the coolest were -7°F in December. Total precipitation for the year was 40 inches, with the wettest month being January. Snowfall for the year totaled approximately 34 inches.