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FL · Stay Cool city

Jacksonville

Jacksonville is the largest city in the country by land area, and the St. Johns River cuts it in half on a diagonal — which means almost every walk that matters either crosses water or follows it. The Northbank Riverwalk is the postcard and a midday griddle; San Marco and Riverside hide the real cover, under live oaks old enough to remember the 1901 fire. We route the bridges for their deck-shadows and the side streets for their canopy, and we say so when the OSM building heights are doing less work than the trees.

Stay Cool routes around shade in Jacksonville, FL. The app picks the cooler side of every street using real building heights and live sun position — peak summer UV here is 11, average July high is 92°F, and tree canopy covers 30% of the city. Below: the most reliably-shaded walking routes we've found, plus deeper neighborhood field notes when available.

UV 11
Summer peak
92°F
Avg July high
30%
Tree canopy

Highlights · 3

The picks · 3.Graded JUN 29, 2026
  1. 01
    Northbank Riverwalk, Friendship Fountain to Hemming Park

    The downtown walk everyone takes and the one the sun owns at noon. We route the Main Street Bridge’s deck shadow across the river, then duck under the Acosta on the climb up to Hemming.

    Shade
    44%
    Walk
    18 min
    Best at
    10 am
  2. 02
    San Marco Square under the oaks

    The city’s honest shade story — a five-block grid where the live oaks meet overhead and the buildings barely have to try. Our shade math reads conservative; the canopy is doing real work we don’t yet see.

    Shade
    81%
    Walk
    6 min
    Best at
    1:30 pm
  3. 03
    Riverside Avondale, Five Points to Memorial Park

    Brick streets, bungalow porches, and oaks the WPA planted on purpose. The walk holds shade through 3 p.m. and the river finally cools off the last two blocks.

    Shade
    74%
    Walk
    14 min
    Best at
    2:30 pm

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