Ferry County Climate
Ferry County, Washington
Avg Annual Temp
43.8°F
Annual Precip
18.1"
Annual Snowfall
52.5"
Extreme Heat Days
18.4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Ferry County Weather
Highland Chills in Ferry County
Ferry County is significantly cooler than the national median with an annual average temperature of 43.8°F. Its mountainous terrain creates a distinct highland climate far removed from warmer southern averages.
Among Washington's Coldest Regions
This is one of Washington’s coldest regions, falling 6.1 degrees below the state average of 49.9°F. While the state average precipitation is 38.5 inches, Ferry remains relatively dry at 18.1 inches.
Colder and Snowier Than Neighbors
Ferry is much colder and snowier than its southern neighbor Franklin, which enjoys a 52.2°F average. Its 52.5 inches of annual snow towers over the totals seen in the Columbia Basin.
Mild Summers and Heavy Snow
Winters are rigorous with a December-February average of 24.9°F and over 52 inches of snow. Summers remain mild at 62.7°F, though the county still sees 18 days of extreme heat above 90°F.
Gear Up for Deep Winter
Residents need robust home insulation and reliable heating to withstand the cold 23.6°F January nights. Sturdy winter tires are non-negotiable for navigating the 52.5 inches of annual snowfall.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.