Skamania County Climate
Skamania County, Washington
Avg Annual Temp
50.6°F
Annual Precip
95.8"
Annual Snowfall
25.8"
Extreme Heat Days
16.766666666666666
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Skamania County Weather
Abundant Rain in the Columbia Gorge
Skamania County averages 50.6°F annually, which is cooler than the national median. It is one of the wettest places in the country, receiving a staggering 95.8 inches of annual precipitation.
Surpassing State Rainfall Benchmarks
The county's 95.8 inches of rain is nearly 2.5 times the Washington state average of 38.5 inches. While temperatures average 50.6°F, slightly above the state mean, the moisture level is the defining characteristic.
Wetter than even Pacific County
Skamania County out-rains coastal Pacific County by about an inch annually, totaling 95.8 inches. It also sees much more snow (25.8 inches) and heat (17 extreme days) than its coastal counterparts.
A Volatile Mix of Rain, Snow, and Heat
This county experiences 17 days of extreme heat over 90°F alongside a January average of 37.3°F. The winter months deliver a mix of heavy rain and 25.8 inches of annual snowfall.
Plan for High Moisture and Summer Heat
Homeowners must prioritize roof integrity and drainage to handle nearly 100 inches of rain. Unlike coastal counties, Skamania’s 17 extreme heat days make cooling systems a wise investment for summer comfort.
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.