Liberty Lake is a city of approximately 8,900 people in Washington, United States. Located in the Pacific Time Zone at 47.7°N latitude.
In 2025, Liberty Lake recorded an average annual temperature of 51°F — about 1.1°F above the 30-year normal of 50°F. The hottest day reached 101°F in September; the coldest was -10°F in February. Total precipitation was 22 inches (wetter than usual). The wettest month was December.
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