Vashon is a city of approximately 10,600 people in Washington, United States. Located in the Pacific Time Zone at 47.4°N latitude.
In 2025, Vashon recorded an average annual temperature of 53°F. The hottest temperatures reached 93°F in July; the coolest were 24°F in February. Total precipitation for the year was 44 inches, with the wettest month being December. Snowfall for the year totaled approximately 2 inches.
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