Hurricanes and Tornadoes That Hit Sedro Woolley, WA

The nearest NOAA station with 1991–2020 climate normals is Sedro-Woolley, WA, 4 miles southwest of Sedro Woolley at 60 feet. August is the warmest, with an average high of 75°F and low of 53°F; December is the coolest, at 45°F and 34°F. November is the wettest at 7.0 inches of precipitation on average and July the driest at 1.3 inches; the year adds up to 48.7 inches over 111 days with at least a tenth of an inch. Highs reach 90°F on about 1 days a year. Lows fall below freezing on about 46 nights a year. Snowfall averages 5.7 inches a year, most of it in December. That 48.7 inches is more than at 60 of the 86 Washington stations used on this site (70%). La Conner, 18 miles southwest, has its own station (Whidbey Island NAS, WA): 19.9 inches a year, 28.8 less than here, and an August average high of 70°F against 75°F.

Flood insurance policyholders in Sedro Woolley's ZIP code 98284 have filed 416 claims with the National Flood Insurance Program since 1979, and were paid $8.5 million for buildings and contents, in the dollars of each year. The most came from Flooding in 1990: 120 claims (29% of all) and $1.3 million, then 2025-12-AtmosphericRiver in 2025 with 40 and Torrential rain in 2006 with 23. The year with the most claims was 1995, with 98. 44% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 128 Washington cities on this site with 10 or more claims, 124 have fewer than Sedro Woolley.