About Spanaway, WA's Climate & Weather History

Spanaway is a city of approximately 27,200 people in Washington, United States. Located in the Pacific Time Zone at 47.1°N latitude.

In 2025, Spanaway recorded an average annual temperature of 53°F. The hottest temperatures reached 93°F in July; the coolest were 19°F in February. Total precipitation for the year was 54 inches, with the wettest month being December. Snowfall for the year totaled approximately 6 inches.