Skamania County Climate
Skamania County, Washington
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
50.6°F
Annual Precip
95.8"
Annual Snowfall
25.8"
Extreme Heat Days
17
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8a
Minimum winter temperature range for plant survival
1,967
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Skamania County
Climate Verdict
Skamania County has a mild, with an average annual temperature of 50.6°F, very wet conditions receiving 95.8 inches of precipitation annually, rare extreme heat with only 16.766666666666666 days above 90°F annually, moderate snowfall of 25.8 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 37.3°F. summers are pleasantly cool with July averaging 65.9°F. The climate is remarkably stable year-round, with only a 29°F difference between January and July. December is typically the coldest month and August the warmest.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Skamania County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Skamania County closely matches the Washington statewide average temperature of 49.9°F, it is also noticeably wetter, receiving 57.3 inches more precipitation than the state average.
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 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.