San Francisco
BeenUnited States of AmericaCsa
📷 Spicypepper999· CC0The City by the Bay | The City by the Bay
About
San Francisco, officially the City and County of San Francisco, is the fourth-most populous city in California and the 17th-most populous in the United States, with a population of 826,079 in 2025. Among U.S. cities with a population of 300,000 or more, San Francisco is ranked first by per capita income, second by population density, and sixth by aggregate income as of 2023. Some 4.6 million residents live in the city's metropolitan statistical area, which is the 13th-largest in the United States. Around 9.2 million live in the San Jose–San Francisco–Oakland combined statistical area, the fifth-largest in the United States.
Wikipedia →Summary excerpted from the Wikipedia article San Francisco, licensed under CC BY-SA 4.0. Text may be clipped or paraphrased to fit this page.
Why visit
Visit San Francisco for museums, galleries, and collections, religious and civic architecture, literature, bookshops, and universities. Use San Francisco to connect cultural institutions with streets, food, public space, and nearby landscape rather than treating each stop separately. A good itinerary should stay selective. A good route in San Francisco begins with one serious site and adds smaller stops only when they clarify the same area. For San Francisco, this usually reveals more than adding one more distant sight. For San Francisco, nearby landscapes and day trips should explain the city, not turn the itinerary into transit work.
When to avoid
Do not visit San Francisco expecting every useful stop to be close together or easy to improvise. For San Francisco, the practical constraints are part of the itinerary: hours, transport, weather, crowds, and the distance between useful areas. A day in San Francisco should account for distance, heat, parking, and transit before adding more stops. For San Francisco, do not make weak transit carry the whole day; use a ride or car when it keeps the route sensible.
Summer (June-August)
For San Francisco, June through August usually require the most attention to heat, light, and weather. For San Francisco, heat and crowds can push the cultural day toward mornings, interiors, and later meals. In San Francisco, keep the route tight, carry water where appropriate, and avoid making one exposed site carry the whole day. In San Francisco, interiors and evening programming should take part of the pressure off the outdoor route.
Winter Rain Season
December through February are the cooler or wetter period in San Francisco. For San Francisco, cooler weather can make walking easier, but rain still needs room in the plan. For San Francisco, ask how much the season limits walking, transport, and day trips, not just what the thermometer says. For San Francisco, the season often favors interiors and shorter local routes: museums, churches, galleries, theaters, bookshops, cafes, and nearby streets. In San Francisco, keep outdoor plans shorter, check hours carefully, and use a taxi or rideshare when weather or late returns make transit less attractive.
The next week in San Francisco
7-day forecast from Open-Meteo. UV badges flag days when sun protection matters (3 and above is moderate; 8 and above is risk territory for unprotected fair skin within 30 minutes).
Today
Partly cloudy
22° / 10°
UV Very high
Sat
Overcast
21° / 11°
UV High
Sun
Overcast
19° / 11°
UV Very high
Mon
Clear
23° / 13°
UV Very high
Tue
Clear
25° / 13°
UV Very high
Wed
Clear
28° / 13°
UV High
Thu
In May 16
JFMAMJJASOND
Air quality
No monitoring station within 25 km.
Weather
34° / 5°
Typical high / low
1 mm rainfall this month
Daylight
14.2h
06:00 – 20:11local
Year-round climate
Monthly highs, lows, and rainfall (long-term averages, NASA POWER).
Airports near San Francisco
6 commercial airports within 100 km. Closest is San Francisco International Airport (SFO) at 18 km.
Getting around San Francisco
Public-transit operators within 8 km of the city center. Click through to each operator’s site for routes, fares, and tickets.
Local transit operators
San Francisco Bay FerryGolden Gate FerryAC TransitBARTCaltrainCapitol CorridorSolTransGGTPresidiGosamTransSFMTACommute.org ShuttlesSonoma County Airport ExpressWestCatMission Bay TMAPresidio Go
Sister cities
Sources
This page blends public reference data, climate/elevation services, and personal notes. Travel requirements can change, so visa and entry details should be checked again before booking.
- Wikipedia →
Summary, canonical article, and some image fallbacks.
- Wikidata →
Population, area, image, coordinates, and linked identifiers where available.
- NASA POWER →
Monthly temperature and rainfall climatology.
- Open-Meteo historical weather →
1991-2020 temperature and precipitation cross-check for compact climate fields.
- Open-Elevation →
Coordinate-based elevation backfill.
- tz database →
Coordinate-based IANA timezone lookup.
- City flag source →
Public domain, Original Author: Vector-Images.com Converted from EPS to SVG by: Oren neu dag.
- Site credits →
Global source notes, map tiles, flags, licenses, and attribution policy.