Duvall, WA Weather & Climate Normals
Duvall's real weather, in one number
Duvall, WA scores 51/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 4 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Duvall's hottest and coldest months
Duvall's hottest month is Aug, averaging 63°F; its coldest is Dec, averaging 37°F, a 26°F swing across the year, a middling gap by national standards.
Rain and snow in Duvall
Duvall averages 50.77in of precipitation a year across roughly 187 days with measurable rain or snow, and 3in of snow a year.
Where Duvall ranks
Duvall ranks 1559 of 4876 US cities in this dataset for comfort score, and 88 of 125 within WA. About 9,176 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from MONROE, WA US, 7.7 miles from Duvall, not a prediction for any specific day.
More on how this is worked out
How the comfort score is calculated · Why some cities show no snow or rain figure