San Diego or San Francisco?
Two destinations compared on nine measures of openly sourced data. Weight what matters to you and the verdict follows.
Your match
Wins on good for families and year-round weather with your weighting.
Wins on sights concentration and places to eat with your weighting.
What matters to you?
Pick a travel style or drag the sliders. The match scores above update as you do.
The verdict
Choose San Diego if the trip is built around children, warm water and open space: 3 theme parks within reach, far more park land near the centre, and highs of 19-25°C through the year.
Choose San Francisco if you want a dense walking city, with many more notable places, restaurants and bars close to the centre, and more protected land around it for day trips.
Scoreboard
Each measure scored 0 to 100. Open a row for the figures behind the score.
Beaches & swimming. San Diego leads by 3 points.3
| San Diego | San Francisco | |
|---|---|---|
| Score | 63 | 60 |
| Swim season months | 1 | 0 |
| Beaches 10 km | 42 | 44 |
| Coast distance | 1 km | 2 km |
| Water distance | 1 km | 2 km |
Places to eat. San Francisco leads by 20 points.20
| San Diego | San Francisco | |
|---|---|---|
| Score | 63 | 83 |
| Restaurants within 2 km of centre | 823 | 2,359 |
| Effective number of cuisines within 2 km | 27 | 39 |
Museums & heritage. San Diego and San Francisco are level on 44.
| San Diego | San Francisco | |
|---|---|---|
| Score | 44 | 44 |
| Museums within 10 km | 59 | 57 |
| Museums within 2 km of centre | 30 | 29 |
| Share of museums within 2 km % | 51 | 51 |
| Unesco sites within 50 km | 0 | 0 |
Nightlife. San Francisco leads by 18 points.18
| San Diego | San Francisco | |
|---|---|---|
| Score | 50 | 68 |
| Drinking venues within 4 km | 615 | 1,434 |
| Drinking venues within 2 km of centre | 408 | 928 |
| Share of drinking venues within 2 km % | 66 | 65 |
| Nightclubs within 4 km | 31 | 97 |
Nature & day trips. San Francisco leads by 5 points.5
| San Diego | San Francisco | |
|---|---|---|
| Score | 55 | 60 |
| Protected land share 50 km % | 6 | 17 |
| Landscape blanket share 50 km % | 0 | 4 |
| Land share of disc % | 52 | 57 |
| Park area within 2 km | 308 hectares | 45 hectares |
Good for families. San Diego leads by 18 points.18
| San Diego | San Francisco | |
|---|---|---|
| Score | 75 | 57 |
| Tourist attractions within 2 km | 40 | 48 |
| Park area within 2 km | 308 hectares | 45 hectares |
| Theme parks within 30 km | 3 | 1 |
Sights concentration. San Francisco leads by 23 points.23
| San Diego | San Francisco | |
|---|---|---|
| Score | 40 | 63 |
| Notable places within 2 km | 40 | 147 |
| Min wikipedia languages | 5 | 5 |
Value for money. San Diego and San Francisco are level on 43.
| San Diego | San Francisco | |
|---|---|---|
| Score | 43 | 43 |
| Price level global | 100 | 100 |
| Daily budget | — | — |
Year-round weather. San Diego leads by 10 points.10
| San Diego | San Francisco | |
|---|---|---|
| Score | 88 | 78 |
| Monthly daytime high | 18.6 °C to 25 °C | 14 °C to 23.2 °C |
| Monthly rainfall | 0 mm to 56 mm | 0 mm to 105 mm |
| Dry months | 9 | 7 |
Where they differ
San Diego is the easier city with children: 3 theme parks within reach against 1, and many times as much park space near the centre. It also runs warmer, with daytime highs of 19-25°C across the year and more months staying dry.
San Francisco packs more into the centre: about three times as many notable places within walking distance, about three times as many restaurants and a wider range of kitchens. Evenings are stronger too, with twice as many places to drink and more clubs, most of them central.
Where they are alike
Museums are where the two land in the same place: each has a comparable number, and neither has a UNESCO-listed site within day-trip reach, so heritage is about what a given collection holds rather than how much of it there is.
Both also sit close to the water, with the sea 1km from San Diego's centre and 2km from San Francisco's, and each has more than 40 beaches nearby. Both have open country within day-trip range.
Which traveller are you?
Families with young children will find San Diego the simpler choice: 3 theme parks within reach against 1, far more park space near the centre, and a sea warm enough for swimming in late summer.
Anyone travelling for food and evenings out should take San Francisco, which has about three times as many restaurants near the centre, a wider range of kitchens, and far more bars and clubs, most of them central.
Walkers and day-trippers also lean to San Francisco: notable places cluster within walking distance of the centre, and 17% of the surrounding land is protected against 6% around San Diego.
What the numbers don't tell you
The value figure is a national price level, identical for these two by construction, so it carries no information about the difference between them. The dataset holds no daily budget for either city either, so no cost comparison between them is possible at all; you will have to price a specific trip yourself.
Sunshine hours are not recorded for either city, so that side of the weather is unmeasured here, and the monthly ratings rest on temperature, rainfall and sea temperature alone. The similar beach counts can also mislead: San Francisco's sea sits at 12-14°C all year, so those beaches are for walking.
When should you go?
The figures behind each month. Each row is shaded against that destination's own year, so the deepest cell is its best month for that measure and the palest its weakest. Shades are not comparable between the two rows.
Temperature and rainfall are thirty-year climate normals, averaged over the years shown. San Diego: 1991-2020 normals, San Diego International Airport (2.8 km from centre). San Francisco: 1981-2010 normals, Alameda Naval Air Station (9.1 km from centre).
San Diego is at its best from July to October, when highs sit at 24-25°C, the sea reaches 20-21°C and rainfall stays at 0-3mm. Winter remains mild at 19°C, though January and February bring 50-56mm.
San Francisco peaks in August and September at 23°C with 1-7mm of rain. The sea never passes 14°C, so it is a city for walking rather than swimming, and January brings 105mm with highs of 14°C.
Getting there
| Flying from | San Diego | San Francisco |
|---|---|---|
| New YorkJFK, EWR, LGA | 5 h 15 m €299-455 1 stop SAN · 3 km | 5 h 35 m €286-328 1 stop SFO · 18 km |
| PhoenixPHX, AZA | 1 h 15 m no fares SAN · 3 km | 1 h 55 m no fares SFO · 18 km |
| DenverDEN, APA | 2 h 15 m €64-224 SAN · 3 km | 2 h 30 m no fares SFO · 18 km |
| DallasDFW, DAL, AFW | 2 h 55 m no fares SAN · 3 km | 3 h 25 m no fares SFO · 18 km |
| TokyoHND, NRT | 11 h 15 m no fares SAN · 3 km | 10 h 25 m no fares SFO · 18 km |
| Las VegasLAS | 1 h 10 m no fares SAN · 3 km | 1 h 25 m no fares OAK · 18 km |
| BostonBOS, PSM | 5 h 35 m no fares SAN · 3 km | 5 h 45 m no fares SFO · 18 km |
| ChicagoORD, MDW, DPA, PWK +1 | 3 h 55 m no fares SAN · 3 km | 4 h 10 m €196-293 1 stop SFO · 18 km |
| MunichMUC | 12 h 5 m no fares SAN · 3 km | 11 h 45 m no fares SFO · 18 km |
| Puerto VallartaPVR | 2 h 45 m no fares SAN · 3 km | 3 h 35 m no fares SFO · 18 km |
The busiest departure cities for these two, with a place kept for each other part of the world. Busiest means arriving passengers where an official count exists, and where none does, the number of non-stop services flown: official route statistics are published by the European reporting countries and by nobody else, so a table ranked on them alone would offer a reader in New York or Tokyo ten European cities. Flying times are estimated from the distance between airports, and every row is a city flown non-stop to both. Where the typical offer connects anyway, the stops are shown. Under each figure is the airport the flight lands at and how far that is from the centre, because the nearest airport is not always the one a route is flown to. Where both columns name the same airport it is one flight, and the difference between the two is the distance printed beside it. Typical return fares for 2026-08 to 2026-10, cached market data up to 7 days old. The figure is the middle half of the offers found, so a single price means they agreed and a range means they did not; for a typical route that middle half spans about a quarter of the median, and for the least settled routes rather more than the median itself.
Before you go
| Measure | San Diego | San Francisco |
|---|---|---|
| Currency | US Dollar (USD) | US Dollar (USD) |
| Sockets | AB120 V, 60 Hz | AB120 V, 60 Hz |
| Driving side | Right | Right |
| Time zone | UTC-8, UTC-7 in summer | UTC-8, UTC-7 in summer |
| Emergency number | 911 | 911 |
| Elevation | 129 m | 16 m |
| Main airport | San Diego International Airport (SAN)3 km from centre87 non-stop destinations | San Francisco International Airport (SFO)18 km from centre142 non-stop destinations |
| Public holidays this year | 13 days | 13 days |
By the numbers
| Measure | San Diego | San Francisco |
|---|---|---|
| City population | 1,386,932 | 873,965 |
| People per km² | 1,438 | 1,455 |
| Museums within 10 km | 26 | 50 |
| UNESCO World Heritage sites within 50 km | 0 | 0 |
| Distinct cuisines in the centre | 44 | 108 |
| Swim season, months above 21 °C | 1 month | None |
Where else could you go?
Every comparison below shares a destination with this one, so you can follow San Diego or San Francisco somewhere new.