Wahkiakum County Climate
Wahkiakum County, Washington
Climate data coming soon
Avg Annual Temp
—
Annual Precip
79.8"
Annual Snowfall
3.2"
Extreme Heat Days
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Monthly Temperature
Temperature data coming soon
Precipitation Calendar
Seasonal Overview
Seasonal data coming soon
National Comparison
Data pending
Data pending
Climate Profile
About Wahkiakum County Weather
Extreme Rainfall on the Pacific Coast
While specific temperature averages are unavailable, Wahkiakum County is defined by its 79.8 inches of annual precipitation. This is more than double the national average, marking it as one of the wettest regions in the country.
Dripping Past the Washington Average
The county’s 79.8 inches of annual rain is over twice the Washington state average of 38.5 inches. This extreme moisture levels the county among the top tier of the state's wettest locales.
Soaking Wet Compared to Neighbors
Wahkiakum receives nearly 30 inches more rain annually than nearby Thurston County. Despite the rain, it sees very little snow, averaging only 3.2 inches per year.
Mild Winters and Damp Summers
Specific seasonal temperature data is limited, but the low 3.2-inch snowfall suggests a very mild winter cycle. The primary seasonal variation is the intensity of the nearly 80 inches of rainfall.
Prioritize Drainage and Waterproofing
Residents must invest in professional-grade waterproof clothing and ensure home drainage systems can handle 79.8 inches of rain. Snow tires are rarely needed, but hydroplaning resistance is a year-round priority.
Frequently Asked Questions
How much rain does Wahkiakum County get?
Does it snow in Wahkiakum County?
Track your own weather in Wahkiakum County
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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.