Stevens County Climate
Stevens County, Washington
Avg Annual Temp
47.2°F
Annual Precip
20.5"
Annual Snowfall
45.0"
Extreme Heat Days
35.03333333333334
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Stevens County Weather
Cooler Inland Climates in Stevens County
Stevens County averages 47.2°F annually, sitting well below the national median of approximately 53°F. This inland region experiences a temperate climate that is significantly cooler than much of the continental United States.
Below the Washington Temperature Average
The county's annual average of 47.2°F is nearly three degrees cooler than the Washington state average of 49.9°F. This makes it one of the chillier regions in the state's northern tier.
Drier and Snowier than Coastal Neighbors
With 20.5 inches of annual precipitation, Stevens is much drier than coastal counties like Whatcom. However, its 45.0 inches of annual snowfall far exceeds the state's lower-elevation neighbors.
Harsh Winters and Spiking Summer Heat
The county faces 35 extreme heat days above 90°F annually despite a modest July average of 68.7°F. Winters are cold, with January temperatures averaging 27.1°F and heavy seasonal snow.
Prepare for Snow and Summer Spikes
Residents need high-performance heating and snow removal equipment to manage the 45-inch annual snowfall. Cooling systems are also necessary to navigate the five weeks of extreme summer heat.
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.