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Climate & seasons

When to visit San Francisco?

By La rédaction · Updated 6/10/2026

The Editors
The Editorsauteur principal✓ Verified

"Janvier : pluvieux, doux."

Expert on San Francisco · 1 contributions

Reviewed by :Africa & Americas Desk — Mowando·Editor

The best periods

The best time to visit San Francisco is septembre à novembre.

Sep, Oct, Nov

Automne — la fenêtre optimale

  • ✅Climat parfait (15-22 °C, ciel dégagé, brume Pacifique en retrait)
  • ✅Indian Summer — septembre-octobre les mois les plus chauds (paradoxe SF)
  • ✅Foule modérée hors événements (Fleet Week octobre, Dreamforce septembre)
  • ✅Tarifs hôteliers raisonnables hors conférences tech
  • ❌Conférences tech (Dreamforce septembre, Oracle OpenWorld, GTC) tarifs +200 %
  • ❌Risque feux de forêt en septembre-octobre (fumée des incendies CA Nord parfois)
  • ❌Octobre-novembre début saison pluvieuse
Mar, Avr, Mai

Printemps — agréable

  • ✅Climat doux (13-19 °C), floraison parcs Golden Gate et Presidio
  • ✅Foule modérée hors événements
  • ✅Tarifs aériens raisonnables
  • ❌Pluies possibles (avril 40 mm)
  • ❌Brouillard côté Golden Gate
Juin, Jui, Aoû

Été — frais et brumeux (contre-intuitif)

  • ✅Festivals (Outside Lands début août, Pride juin)
  • ✅Saison Giants baseball, événements en plein air
  • ✅Conditions parfaites pour visiter (foule modérée si vous évitez août)
  • ❌June Gloom et July Fog — brume Pacifique persistante (15-20 °C en plein été, polaire indispensable)
  • ❌Mark Twain : 'le plus froid hiver que j'ai vécu est l'été à San Francisco' (citation apocryphe)
  • ❌Tarifs aériens en hausse
Déc, Jan, Fév

Hiver — doux mais pluvieux

  • ✅Tarifs hôteliers en baisse (sauf Noël/Nouvel An)
  • ✅Marchés de Noël Union Square, patinoire Embarcadero
  • ✅Saison NBA Warriors Chase Center, NHL Sharks (San José)
  • ❌Saison pluvieuse (jusqu'à 110 mm en janvier-février)
  • ❌Brouillard intense parfois
  • ❌Mer fraîche, plages désagréables

Month-by-month climate

Temperatures, rainfall and sunshine in San Francisco across the 12 months.

JanFévMarAvrMaiJuinJuiAoûSepOctNovDéc
Min8°9°10°11°12°13°14°15°15°14°11°9°
Max14°16°17°18°19°19°20°21°22°21°17°14°
Mer————————————
Pluie110mm95mm70mm40mm15mm5mm0mm2mm8mm25mm60mm110mm
Soleil/j5h6h8h9h10h10h9h9h9h8h6h5h
Janvier
8° - 14°
Février
9° - 16°
Mars
10° - 17°
Avril
11° - 18°
Mai
12° - 19°
Juin
13° - 19°
Juillet
14° - 20°
Août
15° - 21°
Septembre
15° - 22°
Octobre
14° - 21°
Novembre
11° - 17°
Décembre
9° - 14°

Tourist crowds

Monthly attendance levels (0 = empty, 100 = saturated).

Jan
60
Fév
65
Mar
70
Avr
80
Mai
85
Jui
85
Jui
90
Aoû
95
Sep
90
Oct
85
Nov
70
Déc
75

Average flight prices

Average round-trip Paris → San Francisco by month.

Jan
$864
Fév
$864
Mar
$918
Avr
$972
Mai
$1,026
Jui
$1,188
Jui
$1,296
Aoû
$1,350
Sep
$1,026
Oct
$918
Nov
$810
Déc
$1,026

Frequently asked questions

How many days for San Francisco?+
Minimum 4 nights for the city and immediate surroundings. Ideal 4-day programme: Day 1 Golden Gate Bridge walk + Crissy Field + Sausalito-SF ferry return; Day 2 Alcatraz Island morning (4-6 week-ahead booking!) + Fisherman's Wharf + Pier 39 sea lions + Cable Car Powell-Hyde to Ghirardelli Square; Day 3 SFMOMA + Mission District (Balmy Alley murals, La Taqueria, Tartine sourdough) + Castro (Castro Theatre, Harvey Milk Plaza); Day 4 Chinatown + North Beach (Coit Tower, City Lights Bookstore) + Painted Ladies + Golden Gate Park (de Young Museum, Japanese Tea Garden, California Academy of Sciences). In 5-6 nights, add excursions: Sausalito + Muir Woods sequoias (day), Napa Valley vineyards (day), Monterey + 17-Mile Drive + Carmel (day). For Yosemite (4h east), plan 2-3 extra days.
Where to stay in San Francisco?+
Union Square for tourist convenience (€250-450/night hotels, 1904 historic Westin St Francis, Grand Hyatt, Hilton, Marriott Marquis; direct Cable Car access, Macy's restaurants), but noisy and near Tenderloin (avoid at night). SoMa (South of Market) for SFMOMA and Salesforce Park proximity, conferences (Marriott Marquis SoMa, W Hotel, St Regis €400-700). Mission District for Latino charm, Tartine/Foreign Cinema restaurants, €200-350 (Inn San Francisco). Hayes Valley for chic walkable (Riu Plaza Fisherman's Wharf, Proper Hotel SF). Nob Hill historic luxury (1907 Fairmont, Ritz-Carlton, Stanford Court, Mark Hopkins €400-700). North Beach Italian vibe (Hotel Boheme). Fisherman's Wharf touristy but walkable (Argonaut Hotel). Avoid: Tenderloin (fentanyl crisis, crime), parts of Civic Center at night. Airbnb common but often illegal (SF limits), check before booking.
Need a car in San Francisco?+
No, San Francisco is one of the rare US cities where you don't need a car in town. The city is compact (121 km²), very walkable (but steep hills), well-served by Muni (metro + bus + trams + cable cars, $2.75/ride, MuniMobile app), BART (Bay Area Rapid Transit, regional metro to Oakland, Berkeley, SFO airport $10), Caltrain (to Silicon Valley Palo Alto, San José). Cable Cars $8/ride or Muni Visitor Passport $24/day unlimited all transport + cable cars. Uber/Lyft available everywhere ($5-30 typical ride). For excursions outside SF (Sausalito ferry $14 return, Muir Woods, Napa Valley, Yosemite, Highway 1, Monterey), car rental useful — Sixt, Hertz, Enterprise at SFO ($50-100/day). Watch smash-and-grab: SF has a real plague of rental car break-ins, never anything visible in cabin even for minutes. Prefer agencies with Express Drop-off to minimise parking time. Hotel parking $50-80/day (expensive), street meter parking $3-7/hour.
How to book Alcatraz?+
Alcatraz is SF's most popular attraction — 4-6 week-ahead booking mandatory in high season (May-October), 2-3 weeks off-season. Book only on official site alcatrazcityferry.com (formerly Alcatraz Cruises since 2022) — other third-party sites sell at inflated prices or are scams. Fares: Day Tour $45 adult (multilingual audio guide including French, plan 2h30-3h on site, 15-min ferry from Pier 33), Night Tour $56 (rarer, unique twilight atmosphere, recommended), Behind the Scenes Tour $100 (access to areas off-limits standard day). Tip: early 8:30am or 9am departure to avoid crowds. Bring fleece (always cool and windy on island). French audio guide narrates with former guards' and prisoners' voices — exceptional. Visit full of emotion: Al Capone cells, Robert Stroud Birdman, James Bulger Whitey gangster. Difficult conditions (3 escapes including famous 1962 never solved, prison closed 1963).
What budget for San Francisco?+
Reference budget €240-300/day/person — SF is one of the world's most expensive cities. Flights Paris-SFO €700-1,500 return (Air France direct daily CDG-SFO, United via hub). Accommodation: Union Square 3* €250-450/night, SoMa 4* €300-500, Nob Hill luxury €400-800 (Fairmont, Ritz-Carlton, Stanford Court), Mission/Hayes Valley boutique €200-400, Airbnb €150-300 (often illegal — check). Food: cafe breakfast $12-20/person, lunch $20-40, mid-range dinner restaurant $60-100/person pre-tip 18-20% + 8.625% sales tax (count +27% menu), Michelin gourmet $200-400 (3-star Saison, 3-star Quince, 3-star Atelier Crenn, SingleThread). Tartine bagel/sourdough $8-15, La Taqueria Mission burrito $12 very affordable. Activities: Alcatraz $45, SFMOMA $25, de Young Museum (Golden Gate Park) $20, California Academy of Sciences $45, Exploratorium $35, Cable Car $8/ride or $24/day Muni Pass, Sausalito ferry $14 return, Muir Woods $15 mandatory booking, Napa Valley winery tasting $30-60/person. Transport: Muni Pass $24/day, Uber $10-25 ride, BART SFO airport $10. Total 4 nights for 2 people excl. flights: €3,000-5,500.

Our verdict

San Francisco is probably the most charming US city — unique combination of Golden Gate Bridge, Alcatraz Island, 1873 Cable Cars, contrasting neighbourhoods (Latino Mission, LGBTQ Castro, Chinatown, hippie Haight-Ashbury), Victorian architecture (Painted Ladies). Our advice: minimum 4 nights to grasp the city. Stay in Union Square (tourist convenience, hotels €250-450/night), SoMa (near SFMOMA and conferences), Mission District (Latino charm, restaurants, €200-350), or Hayes Valley (chic, walkable, €250-400). Favour September-October (Indian Summer, clear sky, moderate crowds, reasonable rates) rather than July-August (foggy and cool, 15-20°C, essential fleece). Direct Paris-SFO flight 11h45 (Air France, United, €700-1,500 return). No car needed in city (Muni metro + bus + Cable Cars + BART + ferry suffice, very walkable city). Classic programme: Day 1 Golden Gate Bridge (30-min walk) + Crissy Field + Marin County Sausalito ferry return; Day 2 Alcatraz Island morning (4-6 week-ahead booking) + Fisherman's Wharf + Pier 39 sea lions + Cable Car Powell-Hyde to Ghirardelli Square; Day 3 SFMOMA + Mission District (Balmy Alley murals, La Taqueria, Tartine) + Castro (Castro Theatre, Harvey Milk Plaza); Day 4 Chinatown + North Beach (Coit Tower, City Lights Bookstore) + Painted Ladies Alamo Square + Golden Gate Park (de Young Museum, Japanese Tea Garden, California Academy of Sciences). Optional excursions: Sausalito (30 min ferry, Mediterranean charm), Muir Woods (coastal sequoias 45 min north, mandatory $15 booking), Napa Valley (1h30 vineyards), Monterey + 17-Mile Drive + Carmel (2h30 south), Yosemite (4h east).

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