Skagit County Climate
Skagit County, Washington
Avg Annual Temp
51.2°F
Annual Precip
57.9"
Annual Snowfall
11.0"
Extreme Heat Days
2.32
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Skagit County Weather
A Balanced Pacific Northwest Profile
Skagit County’s 51.2°F annual average temperature is close to the national median. It receives 57.9 inches of annual precipitation, characterizing it as a classic wet, temperate environment.
Warmer than the Washington State Average
Skagit County is slightly warmer than the state average of 49.9°F. Its rainfall of 57.9 inches significantly exceeds the state mean of 38.5 inches, fueled by its position between the Sound and the Cascades.
More Precipitation than Snohomish County
Skagit receives 57.9 inches of rain annually, topping Snohomish County’s 54.1 inches. It also sees more winter accumulation, with 11.0 inches of snow compared to just 3.6 inches in Snohomish.
Cool Summers and Steady Winter Rain
July temperatures average 64.1°F with only 2 days of extreme heat per year. Winters remain above freezing on average, though the county still sees 11.0 inches of snow during the colder months.
Ready the Rain Boots and Garden Plugs
The low frequency of extreme heat makes heavy HVAC cooling a low priority for many. Residents should instead invest in high-quality waterproof gear and plan landscaping around the nearly 60 inches of annual rainfall.
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.