Asotin County Climate
Asotin County, Washington
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
49.3°F
Annual Precip
15.2"
Annual Snowfall
10.5"
Extreme Heat Days
—
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Asotin County
Climate Verdict
Climate data for Asotin County is currently being compiled from NOAA sources. Check back soon for detailed weather normals.
Seasonal Breakdown
Seasonal weather data for this county is based on regional climate patterns. Residents experience typical weather variations for their location, with conditions reflecting broader state and regional trends. Consult the NOAA Climate Data Online for detailed seasonal breakdowns as more granular station data becomes available.
Outdoor & Gardening Guidance
Growing season and gardening guidance for Asotin County will be added as data becomes available.
Regional Context
Comparative climate data for Asotin County is being processed.
Climate Profile
About Asotin County Weather
Dry conditions define the southeast corner
Asotin County receives only 15.2 inches of annual precipitation, which is less than half the national average. While specific local temperature records are limited, the landscape reflects a classic semi-arid climate.
Drier than the average Washington landscape
Washington state averages 38.5 inches of rain, but Asotin sees just 15.2 inches. This precipitation gap places it among the state's more arid eastern territories.
Modest snowfall compared to regional neighbors
With 10.5 inches of annual snow, Asotin is less snowy than nearby Columbia County. It shares a similar dry profile with other counties in the Snake River region.
Winters bring light snow and rain
The county records 10.5 inches of snowfall annually amidst its 15.2 inches of total precipitation. Though specific summer data is unavailable, the low rainfall suggests hot, dry conditions are common.
Plan for dry summers and light snow
Homeowners should focus on water-efficient landscaping to manage the dry 15.2-inch precipitation cycle. Light snow gear is sufficient for the typical 10.5-inch winter accumulation.
Frequently Asked Questions
What is the average temperature in Asotin County?
How much rain does Asotin County get?
Does it snow in Asotin County?
How hot does Asotin County get in summer?
How cold are winters in Asotin County?
Track your own weather in Asotin County
Ambient Weather personal weather stations give you hyperlocal climate data.
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Data sources: ERA5 Reanalysis (modeled) via Open-Meteo (gap-filled where station data unavailable).. 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.