Seattle
Seattle is the highest-latitude P0 city we cover — at 47.61°N the summer sun never climbs above 66°, so shadows fall long and oblique even at noon. For most of the year shade is not the problem; the city solves it with cloud. But on the sixty-odd days a summer when the marine layer breaks and the UV index quietly pins, the geometry matters: Pike Place arcades, Pioneer Square brick, the new South Lake Union glass.
Stay Cool routes around shade in Seattle, WA. The app picks the cooler side of every street using real building heights and live sun position — peak summer UV here is 8, average July high is 78°F, and tree canopy covers 28% of the city. Below: the most reliably-shaded walking routes we've found, plus deeper neighborhood field notes when available.
Highlights · 3
- 01Pike Place Market to the Waterfront
The Market arcades and the Pike Hillclimb do almost all the work — covered the whole descent if you know which stair to take.
Shade81%Walk8 minBest at1 pm - 02South Lake Union to Gas Works Park
The new Amazon and Allen Institute towers throw real shadows north up Westlake until mid-afternoon; past Mercer the canopy is on you.
Shade52%Walk32 minBest at3 pm - 03Cal Anderson to Volunteer Park
Olmsted laid the bones in 1903 and the maples have done the rest — a canopy walk where our shade math reads conservative.
Shade64%Walk18 minBest at2 pm