1 day ago · Applying the 0.01 -inch standard, Seattle averages approximately 150 to 155 days each year with measurable precipitation. This frequency places Seattle among the US cities …

Seattle experiences significant rain/snowfall throughout the year, averaging 1009 mm of precipitation annually. However, this abundant rainfall is not evenly distributed, with a distinct …

Seattle averages 39.34 inches of precipitation a year, with the vast majority falling as rain instead of snow. Official precipitation totals for the city are measured at Sea-Tac Airport, which is …

In an average year, at least 0.01 inches (0.25 mm) of precipitation falls on 150 days, more than nearly all U.S. cities east of the Rocky Mountains. In November, Seattle averages more rainfall …

Dec 31, 2025 · Graphical Climatology of Seattle: Daily Temperatures and Rainfall, by Year (1945 – Present) The following is a graphical climatology of Seattle, Washington (Seattle-Tacoma Int’l …

Jul 31, 2024 · Remarkably, despite being in a region known for its rainfall, the city observes just under nine days of rainfall on average per month, with the highest frequency in November at 9.1 …

Analyze Seattle's precipitation patterns and trends from 1978 to present. View monthly and yearly rainfall data, historical precipitation records, and climate change effects on Seattle's weather …

Monthly temperature, precipitation and hours of sunshine. A climate graph showing rainfall, temperatures and normals.

Aug 12, 2013 · Seattle experiences extreme seasonal variation in monthly rainfall. Rain falls throughout the year in Seattle. The month with the most rain in Seattle is November, with an …

The region experiences an average of 37 inches of rain each year and snowfall averages around 10 inches annually. Seattle also experiences plenty of sunshine, averaging over 200 days of sun …