Klickitat County Climate
Klickitat County, Washington
Avg Annual Temp
48.3°F
Annual Precip
19.3"
Annual Snowfall
40.8"
Extreme Heat Days
24.483333333333334
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 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.