Klickitat County Climate
Klickitat County, Washington
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
48.3°F
Annual Precip
19.3"
Annual Snowfall
40.8"
Extreme Heat Days
24
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
1,998
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Klickitat County
Climate Verdict
Klickitat County has a cool, averaging 48.3°F annually, semi-arid conditions with only 19.3 inches of annual precipitation, occasional hot days — 24.483333333333334 per year above 90°F, moderate snowfall of 40.8 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 31.9°F. summers are pleasantly cool with July averaging 67.8°F. The 36°F seasonal variation provides noticeable but manageable change. December is typically the coldest month and July the warmest.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Klickitat County closely matches the Washington statewide average temperature of 49.9°F, it is also noticeably drier, receiving 19.2 inches less precipitation than the state average.
Climate Profile
About Klickitat County Weather
Cool Temps and High Variability
Klickitat County's 48.3°F average annual temperature is cooler than the national median. The climate is characterized by relatively low precipitation compared to the rest of the Pacific Northwest.
Washington's Dry Interior Climate
The county receives only 19.3 inches of precipitation, which is roughly half of the 38.5-inch state average. Its annual temperature of 48.3°F is slightly lower than the state mean.
Drier and Snowier Than Lewis
Klickitat receives only 19.3 inches of rain, while neighboring Lewis County gets 53.2 inches. However, Klickitat sees much more snow, averaging 40.8 inches compared to Lewis's 12.9 inches.
Abundant Snow and Summer Heat
The county faces 24 extreme heat days a year, with July averages reaching 67.8°F. Winter is demanding, with 40.8 inches of annual snowfall and January temperatures averaging 31.9°F.
Snow Tires and AC Required
Sturdy snow removal equipment is vital for the 40.8-inch annual snowfall. Homeowners should also ensure air conditioning units are serviced to handle the 24 days of extreme summer heat.
Frequently Asked Questions
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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.