Everett Snohomish, WA Climate

Climate Insight: Everett Snohomish, WA

Everett Snohomish, Washington runs an annual average of 51°F, ranging from a mean daily high of 58°F to a mean daily low of 45°F, per NOAA's 1991–2020 climate normals. August is typically the warmest month of the year, while December is the coldest. Drawn from station USW00024222, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.

Everett Snohomish averages 33.4 inches of precipitation a year, predominantly as rainfall, and that matters as much to daily life here as temperature does. The frost-free season averages 253 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 9 and the first fall freeze near November 17. As for energy demand, 5,039 heating degree days and 97 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Everett Snohomish scores 72/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. For planning purposes, look to the monthly tables above: shoulder seasons bring the mildest highs and lows, summer brings August-driven heat, and deep winter brings December-driven cold. Treat every figure here as a thirty-year average rather than a forecast - individual years routinely run warmer, cooler, wetter, or drier than the normal.