San DiegoTravel Guide

San Diego

United States Area: 964 km² Time Zone: Pacific Time (UTC-8, UTC-7 in summer)
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San Diego travel guide

Balboa Park museums, La Jolla sea lions and fish tacos by the bay

In short

San Diego mixes a long sunny coastline with the zoo, the museums of Balboa Park and a short trip to the Mexican border. Go from August to October for the warmest sea and clearest skies. Allow four or five days. Costs are very high by global standards, and an ESTA is required for Visa Waiver passports.

California's southernmost big city curls around a deep natural bay a few kilometres north of the Mexican border. Visitors come for some 110 km of coastline, a climate that rarely strays far from 20C, the San Diego Zoo in Balboa Park and an easy day across the border in Tijuana.

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Key Facts & Stats:
Capital: Washington, D.C. (capital of United States)
Others Largest City: Los Angeles is about two and a half hours north by Amtrak, and Tijuana lies just across the San Ysidro border
Currency: US dollar (USD, $)
Time Zone: Pacific Time (UTC-8, UTC-7 in summer)
Major Language: English (Spanish widely spoken)
Major Religion: Christianity

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San Diego at a glance

The essentials first-time visitors ask about, in one place.

Best timeAug to OctHighs of 24 to 25C, almost no rain and the marine layer of May and June gone
VisaESTA or visaESTA for Visa Waiver countries
CurrencyUS dollar (USD)Cards and contactless almost everywhere
LanguageEnglishSpanish widely spoken in many states
Time zonePacific Time (UTC-8, UTC-7 in summer)
CapitalWashington, D.C.Nearest airport for San Diego: San Diego International (SAN)
Power120 V, 60 HzPlugs A and B; bring an adapter
DrivingRight-hand trafficCar hire is the easiest way to see the national parks
EmergencyCall 911Police, fire and ambulance
Calling code+1Same code as Canada; check roaming
WeekendSaturday and SundayShops and attractions stay open; offices close

Top things to do in San Diego

Beaches, cliffs and tide pools, a park full of museums, a world-famous zoo, naval history and the Mexican border on the Trolley.

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Best time to visit San Diego

Month by month, so you can pick the weather and the crowds you want.

Full weather guide
Best overall
August - October

Highs of 24 to 25C, almost no rain and the warmest sea of the year.

Early summer
May - June

Mild at 21 to 22C but often gray along the coast until midday, a pattern locals call May Gray and June Gloom.

Winter
December - March

Still around 19C by day, with most of the year's rain (about 50 mm in January) and good whale-watching offshore.

Planning tip

Comic-Con International takes over the Convention Center and the Gaslamp Quarter for several days each July; downtown hotels sell out months ahead.

Packages in Demand

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Getting there

Route 992, the SAN Flyer and Santa Fe Depot

San Diego International sits on the bay at Lindbergh Field, only a few kilometres from downtown. Alaska and Southwest carry most traffic, with nonstops across the US plus Mexico, Canada and a few long-haul routes to Europe and Japan. MTS Route 992 runs from both terminals to downtown and Santa Fe Depot about every 15 minutes. The free SAN Flyer shuttle goes to Old Town Transit Center for the Trolley, Coaster and Amtrak. Taxis and rideshares reach the Gaslamp in about 10 minutes. Amtrak's Pacific Surfliner runs from Los Angeles to Santa Fe Depot. Travellers from Mexico can use the Cross Border Xpress bridge from Tijuana airport.

MTS Route 992
Terminals to downtown and Santa Fe Depot, about every 15 minutes until the end of service
SAN Flyer
Free shuttle to Old Town Transit Center for Trolley, Coaster and Amtrak
Amtrak Pacific Surfliner
Los Angeles Union Station to Santa Fe Depot along the coast
Cross Border Xpress
Pedestrian bridge from Tijuana airport straight into San Diego
  • Many international visitors fly into Los Angeles instead; the Surfliner then makes a scenic ride south.
  • Check the current Route 992 stop at Terminal 1, which has moved during the new terminal's construction.

Know before you go

What makes San Diego worth the trip, and what catches visitors out.

Why travelers love it

  • Balboa Park's Spanish Revival halls, built for the 1915 exposition, with some 17 museums, gardens and the zoo in one park.
  • La Jolla Cove at low tide, when seals and sea lions haul out on the rocks below Ellen Browning Scripps Park.
  • The flight deck of USS Midway, a carrier museum moored on the Embarcadero.
  • Sunset at Cabrillo National Monument on Point Loma, looking over the bay entrance and the downtown skyline.
  • Torrey Pines State Natural Reserve, where sandstone cliff trails drop to a long, quiet beach.

Good to know

  • The ocean is cold for much of the year; water stays cool until late summer even when the air is warm.
  • Bars stop serving at 2am, with last call around 1:30.
  • Leave nothing in parked cars at beach lots and trailheads; break-ins are the common crime here.
  • Crossing to Tijuana needs a passport for the return, and the San Ysidro queue back can be long.

Trip fit

Beaches
Nature and outdoors
Family friendly
Food
Ease of getting around
Value for money

BookingMentor editorial ratings out of 5, based on a first-time visitor's experience.

Weather in San Diego, month by month

San Diego is mild all year, with grey June Gloom mornings in early summer and the warmest sea in August and September. Month by month, the averages show how small the swings are.

Good timeBest time
Bar: average low to high temperatureRainfall
Aug to OctLa Jolla, Coronado, Pacific BeachHot, dry and clear with the warmest water.
Mar to Apr, NovBalboa Park, Torrey Pines, Old TownAbout 19 to 22C, quiet and green.
Dec to FebZoo, museums, whale-watchingMild but the rainiest months, about 40 to 56 mm.

Climate figures are approximate long-term averages for San Diego (NOAA, via Wikipedia).

Balboa Park, Point Loma and La Jolla Cove in four days

Day one. Give the morning to the San Diego Zoo in Balboa Park, arriving at opening before the heat and the school groups. After lunch, wander the Prado past the Botanical Building and the California Tower, and choose one or two museums, perhaps the San Diego Museum of Art or the Museum of Us. In the evening, eat in Hillcrest or North Park, just north of the park.

Day two. Walk the Embarcadero to USS Midway, then take the ferry from Broadway Pier to Coronado and walk along the sand to the Hotel del Coronado. Back downtown, finish in Little Italy or the Gaslamp Quarter.

Day three. Drive or ride to Old Town for the adobe buildings and Mexican-era history, then head west to Cabrillo National Monument on Point Loma. Time it for low tide to explore the tide pools on the western side, and stay for sunset over the bay.

Day four. Spend the morning at La Jolla Cove watching seals and sea lions, then hike the cliff trails at Torrey Pines. With a fifth day, take the Blue Line Trolley to San Ysidro and walk across to Tijuana, or ride the Surfliner north to Los Angeles.

Balboa Park deserves a full day on its own. The city lists it at more than 1,000 acres (most sources say about 1,200), with 15 or more museums along El Prado and the San Diego Zoo inside its boundary, though the zoo is run separately from the city parks department. More than 14 million people a year come through. Walking the Spanish Revival arcades and gardens costs nothing; each museum and the zoo charges its own entry, and several museums close one weekday, so check before building a museum route.

On the downtown waterfront at Navy Pier, 910 North Harbor Drive, the USS Midway Museum fills the 1,001-foot carrier that served from the end of the Second World War to Desert Storm. Around 30 restored aircraft sit on the flight and hangar decks, and the ticket includes a self-guided audio tour narrated by former Midway sailors. Allow two to four hours.

Fish tacos, California burritos and Little Italy's Mercato

Baja California is next door, and the food shows it. The fish taco, battered white fish in a corn tortilla with cabbage, crema and salsa, is the local signature, sold at taco shops and beach stands along the coast. The California burrito puts carne asada and French fries inside a flour tortilla; its cousin, carne asada fries, is late-night fuel after the bars.

Old Town's restaurants lean towards Mexican plates in a historic setting, while the most loved taco shops are often unremarkable buildings in neighbourhoods like Barrio Logan and Mission Hills. Head across the border to Tijuana for street tacos with a different accent.

Little Italy, by the airport, has the most concentrated restaurant streets downtown, with Italian delis and newer seafood and Californian kitchens. Its Saturday Mercato farmers' market is one of the biggest in the region. Hillcrest, North Park and Kensington have the neighbourhood places locals use, and Convoy Street in Kearny Mesa is the area for Asian food.

Beer is a local pride: San Diego has dozens of craft breweries, many with tasting rooms in North Park and Miramar. Remember that alcohol sales stop at 2am.

June Gloom, Comic-Con and the winter whale migration

San Diego's climate barely moves. Highs stay between 19C in winter and 25C in August and September, and lows only drop to about 10C. Almost all rain falls between November and March, with February the wettest at about 56 mm; from May to September there is next to none.

That does not mean every summer day is sunny. In May and June, a low marine layer often covers the coast until early afternoon, known locally as May Gray and June Gloom. Inland areas burn off first. The sea is warmest in August and September, which is also when the beaches are at their best.

Each July, Comic-Con International fills the San Diego Convention Center and spills into the Gaslamp Quarter for several days. Badges sell out long before the event and hotel rooms downtown are booked months in advance, so plan other trips around it unless you are going.

Winter has its own draw: gray whales migrate along the coast roughly from December to April, and boats leave from the bay to watch them. December brings holiday lights to Balboa Park, and the weather stays mild enough for a walk on the beach at Christmas.

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About this guide

How we research our San Diego travel guide

San Diego's Trolley routes, Comic-Con dates and the grey and blue whale seasons are rechecked when they change. City details follow the City of San Diego website, with entry rules from the State Department and park facts from the National Park Service.

Last updated . Spotted something out of date? Tell us.

Fact-checked by the bookingMentor Travel Desk Reviewed · Updated when rules or prices change

Checked against trusted sources:
Official website of San DiegoUS State DepartmentNational Park Service

See all 5 sources
  1. Official website of San Diego
  2. US State Department: visas for visitors
  3. National Park Service
  4. City of San Diego: Balboa Park
  5. Lonely Planet: USS Midway Museum

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Frequently Asked Questions (FAQs)

Quick answers to the questions travelers ask most before visiting San Diego.

Getting there

MTS Route 992 runs from both terminals to downtown about every 15 minutes. Taxis and rideshares take about 10 minutes to the Gaslamp.

General