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The Compass

San Bernardino, by bike.

San Bernardino sits on the flat floor of the Inland Empire, with easy ground and a long warm-weather season working in cycling's favor. The catch is that the infrastructure hasn't caught up to the setting: the mapped network is thin, and very few residents currently ride to work. That makes this a city of real potential more than present-day comfort; the climate and terrain are ready for cycling even where the streets are not yet. The basics are here, and the building is mostly still ahead.

Gentle terrain 38.5 mi network 8 good-riding months ~0.1% ride to work
Last updated · 2026-06 See something off? Tell us →
Where it is
San Bernardino — gentle terrain in California
Heading here for school?

California State University-San Bernardino — the cycling guide for students & parents →

New in town?

Moving to San Bernardino by bike — the guide for new arrivals →

The shape

The shape, at a glance

The whole city in a screen: the profile, the ground and the riding year, and a few sourced figures.

The profile
ConnectedCalmAll-SeasonWelcomingRoom to RoamCar-Light

Strongest on All-Season. Car-Light is the near edge, with the most room to grow.

Ground & the riding year
Gentle
Mighty

San Bernardino lies on the broad, level floor of the Inland Empire valley, ringed in the distance by mountains but easy underfoot where people actually ride. Grades around town stay mild, so terrain rarely figures into how a trip feels. For everyday riding, the ground here is an ally rather than an obstacle.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

The riding year. About 8 good months around a long, hot summer; ride early on the worst days.

Comfortable Hot & humid Cool & short days
Most of the year offers comfortable riding, with the Inland Empire summer from June through September running hot enough to push rides to the cooler hours.
Terrain · Open-Meteo Elevation (Copernicus DEM) · 2026-06
Season · Open-Meteo (ERA5 climate reanalysis) · daylight by latitude · 2026-06
By the numbers
Bike network
38.5 mi
mapped cycleways and paths (OpenStreetMap)
Source · OpenStreetMap (Overpass): highway=cycleway/path
Everyday riding
~0.1%
of commuters bike to work (Census ACS)
Source · US Census ACS 5-year, table B08301
Is it a good month to ride? Read the year month by month.

Is it a good month to ride in San Bernardino?

This is the shape of a usual year here — a climate pattern, not a forecast. Pick any month.

Month

January usually reads as comfortable.

Ordinary clothes, ordinary ride. In the long-run pattern this is one of the months that asks nothing special of you.

February usually reads as comfortable.

Ordinary clothes, ordinary ride. In the long-run pattern this is one of the months that asks nothing special of you.

March usually reads as comfortable.

Ordinary clothes, ordinary ride. In the long-run pattern this is one of the months that asks nothing special of you.

April usually reads as comfortable.

Ordinary clothes, ordinary ride. In the long-run pattern this is one of the months that asks nothing special of you.

May usually reads as comfortable.

Ordinary clothes, ordinary ride. In the long-run pattern this is one of the months that asks nothing special of you.

June usually runs hot and humid.

The heat shapes the hours, not the year: early mornings and evenings are the friendly windows. Carry water, take the shade, slow down a little.

July usually runs hot and humid.

The heat shapes the hours, not the year: early mornings and evenings are the friendly windows. Carry water, take the shade, slow down a little.

August usually runs hot and humid.

The heat shapes the hours, not the year: early mornings and evenings are the friendly windows. Carry water, take the shade, slow down a little.

September usually runs hot and humid.

The heat shapes the hours, not the year: early mornings and evenings are the friendly windows. Carry water, take the shade, slow down a little.

October usually reads as comfortable.

Ordinary clothes, ordinary ride. In the long-run pattern this is one of the months that asks nothing special of you.

November usually reads as comfortable.

Ordinary clothes, ordinary ride. In the long-run pattern this is one of the months that asks nothing special of you.

December usually reads as comfortable.

Ordinary clothes, ordinary ride. In the long-run pattern this is one of the months that asks nothing special of you.

The comfortable stretch runs October through May — 8 of the twelve months.

8 comfortable 4 hot & humid 0 cool & short-dayed
Source · Open-Meteo (ERA5 climate reanalysis) · daylight by latitude · 2026-06 · a long-run climate pattern, not a forecast
The six dimensions

Read it dimension by dimension

Tap a dimension to jump to it.
Connected Room to grow Growing
Does the network join up into usable routes?
The mapped bike network in San Bernardino is modest, and the pieces that exist tend to sit apart rather than joining into through-routes. For now, most trips that start on a calm segment will spill onto ordinary streets before long, because there simply isn't enough connected infrastructure to carry them end to end. This is squarely an opportunity dimension: with the flat ground and warm climate already in place, even a handful of well-placed links would do outsized work. The foundation to build on is here; the network to ride on is mostly still to come.
Source · OpenStreetMap (Overpass): highway=cycleway/path
Calm Room to grow Growing
How much riding is away from fast traffic?
Calm, traffic-free riding is in short supply in San Bernardino today. With only a small mapped network, most journeys end up sharing road with cars, and the wide, fast arterials common to the Inland Empire make that a real consideration for a cautious rider. The few separated segments are pleasant but limited in reach. The upside is clear: this is a city where adding low-stress routes would change the experience dramatically, because there is so much room to grow from here.
Source · OpenStreetMap (Overpass): highway=cycleway/path
All-Season Solid
How rideable is this place across weather and seasons?
Climate is San Bernardino's strongest cycling asset by a wide margin. Eight months of the year sit in comfortable riding territory, and the winters are mild enough that riding straight through them is the easy default rather than a feat. The Inland Empire summer is the real caveat: roughly June through September runs genuinely hot, and midday rides in that window are best left for early mornings and evenings. Outside that hot stretch, the weather rarely gives you a reason not to ride.
Source · Open-Meteo (ERA5 climate reanalysis)
Welcoming Room to grow Growing
How easy is it for a newcomer or nervous rider to get started?
On paper San Bernardino should be easy for a beginner: the ground is flat, and the climate gives long stretches of comfortable weather to learn in. What holds it back is the thin network, which means a newcomer has few protected places to build confidence before meeting traffic. A nervous rider may find the gap between the calm starting points a little daunting at first. The opportunity is real, though: the natural ingredients for a welcoming city are already here, waiting on the safe routes to match them.
Source · Open-Meteo Elevation (Copernicus DEM); OpenStreetMap (Overpass): highway=cycleway/path
Room to Roam Room to grow Growing
How far can you genuinely go by bike?
The flat Inland Empire floor would let a fit rider cover long distances with ease, so the limit here is the network rather than the terrain. With only a modest amount of mapped infrastructure, ranging across the city means stitching together streets and accepting time in traffic. Riders comfortable on roads can still go far on the level ground; those who want to stay on calm routes will find their reach cut short. As the network fills in, the easy terrain means range is one of the things that should improve quickly.
Source · OpenStreetMap (Overpass): highway=cycleway/path; Open-Meteo Elevation (Copernicus DEM)
Car-Light Room to grow Growing
How well can the bike replace car trips here?
Only about one in a thousand San Bernardino commuters bikes to work today, which tells you plainly that the car is the default for nearly everyone. The pieces that would change that (flat terrain, a long warm season) are in place, but the thin network and traffic-heavy arterials mean cycling isn't yet a practical swap for most daily trips. This is the most open opportunity in the city's whole profile: from a base this low, even modest investment in safe, connected routes could move the needle meaningfully. Right now the bike is a choice for the determined few, with plenty of headroom to become an option for the many.
Source · US Census ACS 5-year, table B08301
Take action

Where San Bernardino has the most room to grow

The two dimensions with the widest opening here — read as an invitation, not a verdict. Every one of these is something a resident can move, and none of it requires expertise or a fight.

Car-LightGrowing · most room to grow

Car-light is a habit before it’s a statistic. Every ordinary errand made by bike makes the next one likelier — for you, and for the neighbor who sees it and thinks, I could do that.

Ride the ordinary trips, bring somebody with you, and have the numbers ready when someone asks.

Nothing in this section is sponsored and nothing carries an affiliate link — that separation is the point. All of it, joyful half included →

Find your people

Real, active groups we checked by hand — coalitions, community shops, ride clubs, and programs worth an email. Each is verified and dated. If one has gone quiet since we looked, tell us and we'll pull it.

Statewide

  • California Bicycle Coalition (CalBike)California Bicycle Coalition, known as CalBike, is a statewide nonprofit founded in 1994 that works on bike-friendly laws, funding, and street design and brings local and regional bike groups together across California.Verified · 2026-07

National

  • PeopleForBikesA national bike-advocacy nonprofit and industry coalition that works on better bike infrastructure and policy, and publishes the City Ratings that score how good U.S. cities are to ride.Verified · 2026-07
  • Rails to Trails ConservancyThe national nonprofit behind the rail-trail movement, turning former rail corridors into multiuse trails and running TrailLink, a free finder for trails near you.Verified · 2026-07
  • League of American BicyclistsA national bicycling advocacy and education nonprofit that runs the Bicycle Friendly America awards program, the Smart Cycling rider-education courses, and a nationwide network of local advocacy groups, clubs, and certified instructors.Verified · 2026-07
  • Adventure Cycling AssociationAdventure Cycling Association is a national nonprofit for bicycle travel, founded in 1973, that maps long-distance routes, helped build the U.S. Bicycle Route System, runs guided tours, and advocates for better cycling routes.Verified · 2026-07
  • Safe Routes PartnershipThe Safe Routes Partnership is a national nonprofit that helps make walking and biking to school and around the neighborhood safe and easy for kids and families, supporting local Safe Routes to School programs with resources and policy expertise.Verified · 2026-07
  • Move UnitedMove United is a national nonprofit whose local chapters offer adaptive sports and recreation, including adaptive cycling and handcycling, so people with disabilities can ride and stay active in their communities.Verified · 2026-07

Nothing here is sponsored, and no link is an affiliate link — that separation is the point.

Guides that help here

If the profile got you thinking

Short, practical guides: choosing a bike, riding with confidence, and the kit that helps.

City bike, hybrid, or e-bike? Pick the type that fits your trips. Read the guide → Getting started, with confidence From rusty to riding, at your own pace. Read the guide → How to choose an e-bike The biggest single spend, done right. Read the guide → Locks & theft prevention Lock it so it is still there later. Read the guide → Lights that get you seen The cheapest real safety upgrade. Read the guide → Carrying errands by bike Racks, baskets and bags for a car-light week. Read the guide →

Browse all guides →