VOL · ISUMMER 2026
stay cool
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CA · Stay Cool city

San Francisco

San Francisco’s grid + topography make shade hyper-local. Two parallel blocks can have radically different cover; our routing knows which one stays cool at each time of day.

Stay Cool routes around shade in San Francisco, CA. The app picks the cooler side of every street using real building heights and live sun position — peak summer UV here is 9, average July high is 67°F, and tree canopy covers 13% of the city. Below: the most reliably-shaded walking routes we've found, plus deeper neighborhood field notes when available.

UV 9
Summer peak
67°F
Avg July high
13%
Tree canopy

Highlights · 2

The picks · 2.Graded JUN 29, 2026
  1. 01
    Ferry Building to Salesforce Park

    The Salesforce Tower’s shadow stretches half a mile north in the afternoon. Use it.

    Shade
    79%
    Walk
    10 min
    Best at
    2:30 pm
  2. 02
    Dolores Park to The Mission

    Sun-soaked in the park, then bricks for cover the whole way to Tartine.

    Shade
    71%
    Walk
    5 min
    Best at
    12 pm

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