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Stevens County Climate

Stevens County, Washington

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec47.2°AVG °F

Avg Annual Temp

47.2°F

Annual Precip

20.5"

Annual Snowfall

45.0"

Extreme Heat Days

35

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
2.2"
1.5"
1.9"
1.7"
2.0"
2.2"
0.9"
0.7"
0.9"
1.6"
2.3"
2.5"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

6b

Minimum winter temperature range for plant survival

Growing Degree Days

2,062

Favors cool-season crops

Last spring frost (32°F): 05/08
First fall frost (32°F): 10/01

Seasonal Overview

Comfort ZoneSpring39°56°5.6"Summer62°69°3.8"Fall35°59°4.8"Winter27°31°6.3"20°40°60°80°100°

National Comparison

Warmer than 20% of US counties
Wetter than 15% of US counties
More seasonal variation than 44% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Stevens County

Climate Verdict

Stevens County has a cool, averaging 47.2°F annually, semi-arid conditions with only 20.5 inches of annual precipitation, occasional hot days — 35.03333333333334 per year above 90°F, moderate snowfall of 45.0 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 27.1°F. summers are pleasantly cool with July averaging 68.7°F. The 42°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.

Regional Context

Stevens County closely matches the Washington statewide average temperature of 49.9°F, it is also noticeably drier, receiving 18.0 inches less precipitation than the state average, the county experiences 17.04056628056629 more extreme heat days than the state average.

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

What is the average temperature in Stevens County?
The average annual temperature in Stevens County, WA is 47.2°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Stevens County get?
Stevens County receives an average of 20.5 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Stevens County?
Yes, Stevens County receives an average of 45.0 inches of snowfall per year according to NOAA climate normals.
How hot does Stevens County get in summer?
The average summer temperature (June-August) in Stevens County is 66.1°F. The county experiences an average of 35 days per year above 90°F.
How cold are winters in Stevens County?
The average winter temperature (December-February) in Stevens County is 28.6°F. January, typically the coldest month, averages 27.1°F.

Track your own weather in Stevens County

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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.

Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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