About Minnehaha, WA's Climate & Weather History

Minnehaha, in Washington, United States, is home to roughly 9,800 people in the Pacific Time Zone at 45.7°N latitude.

In 2025, Minnehaha recorded an average annual temperature of 54°F — right at the 30-year normal of 54°F. The hottest day reached 100°F in August; the coldest was 24°F in February. Total precipitation was 55 inches (wetter than usual). The wettest month was December.