San Francisco Ride Guide
SF is wind country with a coastal twist. The afternoon westerly through the Golden Gate is famously brutal. Morning is the riding window.
Climatology
Cool dry summers (55–70°F) with intense afternoon wind. Mild wet winters (45–60°F). Microclimates rule — Marin can be 75°F while the Avenues sit in fog at 55°F.
Season by season
Spring
Mar–MayCalm clear days are gold — grab them.
Summer
Jun–AugFog and 25 mph wind by noon. Hill-protected loops shine.
Fall
Sep–OctWarmest, calmest, best riding of the year.
Winter
Nov–FebAtmospheric rivers come in waves. Watch the radar.
Signature rides
Paradise Loop
32 miMarin classic. Out into morning headwind, downwind home.
GG Bridge to Sausalito
11 miTouristy but iconic. Best at 6am before the bridge crowd.
Headlands & Hawk Hill
18 miClimb early, descend before the gusts pick up.
Frequently asked
Is San Francisco a good place to cycle?
SF is wind country with a coastal twist. The afternoon westerly through the Golden Gate is famously brutal. Morning is the riding window.
What is the weather like for cycling in San Francisco?
Cool dry summers (55–70°F) with intense afternoon wind. Mild wet winters (45–60°F). Microclimates rule — Marin can be 75°F while the Avenues sit in fog at 55°F.
What are the best bike rides in San Francisco?
Standout routes include Paradise Loop (32 mi), GG Bridge to Sausalito (11 mi), Headlands & Hawk Hill (18 mi).
Nearby guides
From the blog
What the 0–10 Ride Score means, which weather factors drive it, and how to use it to pick the best day and time to ride.
A temperature-by-temperature guide to dressing for cold-weather cycling — from cool 60°F mornings down to freezing rides.
Wind is the most underrated factor in cycling. Here's how to read it and plan routes so the hardest effort comes first.
Want today's Ride Score and what to wear in San Francisco?