Things to Do in San Diego in March: A Local's Planning Guide

Things to Do in San Diego in March: A Local's Planning Guide

March is the month when San Diego stops pretending to be a winter city. The hills around town are green from the season's rain, the gray whale migration is still running past Point Loma, and the beach crowds that define July simply do not exist yet. The trade-off is real, though: March carries more rain than any month except December, February and January, and the ocean is at its coldest since winter. This guide lays out what March actually feels like, what is worth doing, and what you should book before you land. For a wider view of the whole year, our San Diego weather and best time to visit guide compares all twelve months.

What Is the Weather Like in San Diego in March?

March in San Diego averages a normal high of 67.0F and a normal low of 54.5F, with 1.46 inches of rain spread across about 3.1 days with measurable precipitation, according to NOAA's 1991-2020 climate normals for the airport station. That makes March the tail end of the rainy season rather than the start of summer: you can absolutely get a string of 72F, clear-sky days, but you should also pack a light jacket for evenings and not be shocked by one gray, drizzly morning. The marine layer that locals call May Gray and June Gloom is mostly a late-spring phenomenon, so March's gray days come from actual weather systems, not the daily coastal overcast you would fight in June.

The honest read on those numbers: March is the third-wettest month of the year by the normals, behind only February and December, but "wet" in San Diego means three or four days out of thirty-one. A typical March week gives you five or six genuinely pleasant days, one or two that are genuinely wet, and a couple that start overcast and clear by noon. Plan outdoor anchors like whale watching for the first half of your trip so a washed-out day still leaves you a makeup slot.

The ocean figure comes from the NOAA tide station at Scripps Pier in La Jolla, averaged across recent years, and it is the number most visitors underestimate. A 58.7F sea is fine for surfers in wetsuits and fine for a quick kayak paddle, but it is not a bathing temperature for most people. Swimmers who want warm water should read our things to do in San Diego in September guide instead, because the sea peaks near 68.7F in August and stays warm well into fall.

What Are the Best Things to Do in San Diego in March?

The best March activities are the ones the weather cannot ruin: the USS Midway Museum and the hop-on hop-off trolley downtown, gray whale watching from a boat or from Point Loma, the Zoo and Safari Park before summer lines form, and the tide pools at Cabrillo National Monument, which sit at their best viewing in late fall through spring. March rewards the mixed itinerary. Build mornings around outdoor anchors, keep one museum or indoor stop in your back pocket for the wet day the normals say is coming, and treat the evenings as jacket weather, good for a food tour or a sunset sail rather than beach time.

Downtown is where March visitors get the most value, because the core sights cluster together and none of them depend on sunshine. The USS Midway Museum alone eats three or four hours: adult admission runs $39 online against $41 at the door, per the museum's own visit page, and the last admission is at 4:00 pm with a 5:00 pm close. Pair it with the Embarcadero, Seaport Village and the Gaslamp Quarter and you have a full day that a rain shower barely dents.

The hop-on hop-off trolley is the single most useful March purchase for a first-time visitor, and not only because it is narrated. It runs for two consecutive days, which lets you treat it as a sightseeing tour on day one and a transportation pass on day two, and the covered seating means a passing shower costs you nothing. The GoCar tour covers similar ground in a different spirit: it is a two-hour, self-guided story on wheels through Downtown, Old Town or the beaches, better for travelers who want to drive something small and silly than for anyone who wants to sit and be told things.

For the animal parks, March is arguably the best-value month on the calendar. The San Diego Zoo charges $76 for a 1-day adult Any Day ticket online, and animals are more active at 67F than they are in the August heat. The same logic applies up in Escondido at the Safari Park, where general parking is $20 per vehicle and the crowds before spring break are a fraction of what July delivers. Neither park requires a timed entry, so you can decide on the morning itself.

Is March a Good Time for Whale Watching in San Diego?

Yes, March is one of the last reliable months of the gray whale season: the National Park Service says more than 20,000 gray whales pass San Diego each year, most of them in late December through February, with mid-January the peak and cows with calves still moving north into March or April. By March you are catching the back half of the migration, which means the odds are lower than in January but far from zero, and the boats are noticeably emptier. The park's own whale-watching page is the source for the season, and it names the Kelp Forest Overlook and the Old Point Loma Lighthouse as the two best shore-based viewing points.

You have two ways to do this. The shore option is free once you are inside Cabrillo National Monument, which charges $20 per private vehicle for a pass valid seven days, and it pairs well with the monument's tide pools and lighthouse. The boat option is a 3-hour whale watch cruise that gets you out to the migration corridor, and in March the operators are not fighting the January demand, so same-day booking is realistic. If you go, morning departures give you the calmest water, which matters both for spotting and for your stomach.

One honest caveat: do not build your whole trip around a whale sighting. Gray whales are wild animals on a schedule of their own, every serious operator advertises the same uncertainty, and March sits late enough in the season that a boat can come back with dolphins and sea lions and no whales. Treat the cruise as three hours on the ocean with a good chance of whales, and the day is a success either way. What you should not do is chase a blue whale sighting: no verified blue whale season for San Diego is published anywhere, so ignore any listing that promises one.

What Should You Do in Balboa Park in March?

Balboa Park in March means the gardens waking up, the Botanical Building's orchids at their peak show, and the resident free Tuesday rotation in full swing, though that rotation is a benefit for City and County residents plus active military, not for visitors, so do not plan a free museum day around it. The park grounds, gardens and trails are free to everyone, always, and March is when they look their best after winter rain. The Botanical Building and Lily Pond are free and open roughly 10:00 am to 4:00 pm daily except city holidays, and the Timken Museum of Art is free as well.

Parking is the practical question, and the answer is in transition. Paid parking in Balboa Park is live right now at $8 to $16 a day depending on the lot and your residency, but the City Council has formally approved removing paid parking entirely effective 1 January 2027, so anything you read about rates needs to survive that date. The city's own parking page has the current lot-by-lot table, and the free park tram runs 8:00 am to 8:00 pm if you park in a far lot.

One more Balboa Park fact that matters to a March visitor: the museums themselves, including Fleet Science Center, the Air and Space Museum, the Museum of Art, the Museum of Us and theNAT, are mostly not bookable through tour sites. You buy those tickets at the gate. What you can book ahead is a guided walking tour of the park with a local guide, two hours long, which covers the architecture and history in a way that wandering alone does not, and which works in the light March rain better than you might think.

If your March day in the park lands on a Sunday, the Spreckels Organ Pavilion runs free one-hour concerts from 2:00 to 3:00 pm, year round, rain or shine. It is one of the most underused free things in the city, and our free things to do in San Diego guide collects more of them.

Where Can You See Spring Blooms Near San Diego in March?

The best March blooms are the Carlsbad Flower Fields, which open in early March in a normal year, the native wildflowers at Anza-Borrego Desert State Park after wet winters, and the garden collections inside the San Diego Botanic Garden and Balboa Park. The desert is the wildcard: Anza-Borrego's famous superblooms depend entirely on how much rain fell in the preceding months, so a March desert trip is a bet on the weather you cannot hedge. The Flower Fields are the reliable option, a working ranunculus farm in Carlsbad with a season that typically runs March into May.

A March bloom itinerary works well as a north-county day: the Flower Fields in Carlsbad in the morning, lunch in Encinitas or Carlsbad Village, and the coast on the way home. You will want a car for this one, since the trolley does not reach Carlsbad, and March weekdays at the fields are dramatically quieter than weekends. Check the fields' own calendar for the season opening date before you drive, because a warm or cold February moves it by a week or two either way.

Torrey Pines State Natural Reserve deserves a mention here even though it is not a flower destination: March is when its cliffs and scrub look greenest, before the summer browns everything out, and the reserve's trails are at their most photogenic. Our Torrey Pines State Natural Reserve guide covers the trails; go early, because the small lot fills even in shoulder season.

What Events Happen in San Diego in March?

March's event calendar is lighter than summer's, which is part of its appeal: the reliable fixtures are spring training baseball in Peoria and the surrounding Cactus League-adjacent visits, St. Patrick's Day in the Gaslamp Quarter, and the tail end of the gray whale festival season at Cabrillo, while the big anchors like Comic-Con are months away. The park service runs its Whale Watch Weekend and Intertidal Festival in late January or early February, so by March you are catching the animals, not the festival. Spring training actually sits in the Phoenix area, but San Diego gets the Padres' season opening in late March, and Petco Park's home opener is the city's biggest March sports moment.

For a visitor, the practical event advice is simple. Check the Padres' home schedule before you book, because opening weekend downtown changes hotel prices and Gaslamp noise noticeably, and a Petco Park stadium tour, 1 hour 20 minutes long, is a good consolation if you cannot get game tickets. Beyond that, March weekends bring neighborhood farmers markets and the return of outdoor events that pause for winter, and our things to do in San Diego this weekend guide tracks the recurring ones.

If your March trip overlaps a rainy day, and the normals say about three will be, the indoor list is deeper than most visitors expect: the Midway, the Maritime Museum, the Fleet Science Center and theNAT, plus the brewery scene that makes San Diego a beer destination. A brewery tour with tastings and food pairings, three hours long, is one of the best rain-proof bookings in the city, and our San Diego breweries guide maps the landscape for self-guided versions.

Is March Cheaper or Less Crowded Than Summer in San Diego?

Yes on crowds and mostly yes on price: March sits before spring break and far before summer, hotel rates in the shoulder season run below July and August peaks, and the major attractions operate at a fraction of their summer lines, though the month has no single slow window and spring break weeks can spike coastal hotel prices. The clearest crowd evidence is at Cabrillo National Monument, where NPS counts show September, not a winter month, is the quietest visiting month, but March's visitation also runs well below July's. Locals know the pattern: you can find parking at the beaches in March, which is not true from June through September.

The savings show up in the things you book. Whale watch boats, harbor cruises and food tours all have open availability in March where July requires booking days ahead, and the tour prices themselves do not move much season to season, so the value is in flexibility rather than discounts. Where March genuinely costs less is lodging: coastal hotels that command summer premiums drop their rates in the shoulder months, though you should check whether your dates overlap a convention or spring break week before assuming a deal. This is the same shoulder-season logic that Things to Do in San Diego applies across every month guide, because the quiet-value windows are the ones worth planning around.

The one March cost trap is the dynamic-pricing theme parks. SeaWorld sells single-day tickets from $59.99 with date-based pricing, and LEGOLAND's gate prices move with demand, so a spring-break-weekday ticket costs more than a midweek one in early March. The pattern is consistent: book the big parks for weekdays early in the month if your dates flex.

How Do You Get Around San Diego in March?

The MTS system is the cheapest practical answer: fares are $2.50 one-way or $6.00 for a day pass on the PRONTO card or app, which caps your rides automatically so there is no reason to buy a day pass up front, and the trolley's Blue Line runs from the border at San Ysidro through downtown to UC San Diego. The official fare chart publishes those numbers, and PRONTO's fare capping means contactless pay-as-you-go riding simply stops charging you once you hit the day-pass value. Youth 18 and under ride free, and up to two children 5 and under travel free with a paying adult.

March makes transit more attractive than summer does, for one simple reason: you are not walking long distances in heat. Downtown, the Gaslamp, the Embarcadero, Little Italy and Old Town are all trolley-adjacent, and a car in that corridor is a liability once you factor parking. Save the rental car days for the ones you leave the city: Carlsbad for the Flower Fields, Escondido for the Safari Park, Julian or Anza-Borrego for a real day trip. Our getting around San Diego guide covers every mode in detail.

One March-specific note: rain in San Diego rarely lasts all day, but it does arrive in bursts that flood the usual potholes and make the coastal bluffs muddy. Torrey Pines and the Cabrillo trails close their gates on genuinely wet days, so check conditions before you drive out. The tide pools at Cabrillo are the exception worth planning around: late fall through spring is the best tide-pool season, and the whole coastal area of the monument closes at 4:30 pm, an hour before the main gate.

Evenings in March are when the food tours earn their keep. The Gaslamp Quarter food and drink walking tour runs 2 hours 30 minutes and turns a cool evening into a moving dinner, and the same logic applies to Little Italy and Old Town versions. You can compare the full spread in our Old Town and Little Italy neighborhood guides, or check availability on the Gaslamp tour through the operator's live listing.

Common Questions About Things to Do in San Diego in March