

Photos: San Francisco by Elijah Cobb, Pexels License; San Juan by Mohan Nannapaneni, Pexels License.
San Francisco or San Juan?
Our verdict in twelve categories, each scored against the same fixed benchmark cities, and the climate month by month, so you can choose for your trip.
Choose San Francisco for
- getting around
- live music and the arts
- day trips
What lies behind each score is written up on San Francisco’s own page.
Choose San Juan for
- beaches
- prices
- nightlife
What lies behind each score is written up on San Juan’s own page.
Scoreboard
Twelve categories on one fixed scale from 0 to 100. The shaded stretch is the gap between the two.
What lies behind each score is written up on the two cities’ own pages: San Francisco and San Juan.
Your match
Pick a travel style or drag the sliders, and both match scores follow your weighting.
Too close to call, 2 points apart
Wins on getting around and live music and the arts with your weighting.
Wins on beaches and prices with your weighting.
What matters to you?
When should you go?
Pick your month. The climate figures are measured averages, not a forecast.
San Francisco in July
San Juan in July
Daytime high, °C
Rainfall in the month, mm
Temperature and rainfall are climate normals, averaged over the years shown. San Francisco: 1981-2010 normals, Alameda Naval Air Station (9.1 km from centre). San Juan: 1991-2020 normals, San Juan / Int., Puerto Rico (12.8 km from centre).
Before you go
| Measure | San Francisco | San Juan |
|---|---|---|
| Official language | - | Spanish, English |
| 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-4 |
| Emergency number | 911 | 911 |
| Elevation | 16 m | 3 m |
| Main airport | San Francisco International Airport (SFO)18 km from centre142 non-stop destinations | Luis Munoz Marin International Airport (SJU)12 km from centre59 non-stop destinations |
| Public holidays this year | 13 days | 21 days |
By the numbers
| Measure | San Francisco | San Juan |
|---|---|---|
| City population | 873,965 | 342,259 |
| People per km² | 1,455 | 2,847 |
| Museums within 10 km | 51 | 18 |
| UNESCO World Heritage sites within 50 km | 0 | 1 |
| Swim season, months above 21 °C | None | 12 months |
Where else could you go?
Every comparison below shares a destination with this one, so you can follow San Francisco or San Juan somewhere new.