Best time to visit San Francisco

• “the real sweet spot is in September and October” dylanstours.com
• “The latter parts of August, along with September, October, and November, are ideal months” celebritycruises.com
• “fall is the best season to visit the city of San Francisco in terms of climate” hiusa.org

4 of the 4 travel guides we read name these months.

1. January58°F / 47°F · 11 rainy daysChecking fares…January to March is quieter with fewer crowds and good deals; Muir Woods is peaceful with winter mist.San Francisco keeps good temperatures in January, February and March.SF Sketchfest · Napa Lighted Art Festival
2. February60°F / 48°F · 11 rainy daysChecking fares…Chinese New Year parade with dragons in mid-February.Winter is wet, foggy and fairly cold, but it does not freeze or snow.Yosemite Firefall
3. March62°F / 49°F · 11 rainy daysChecking fares…March highs around 63F, lows 50F, with about seven days of rain.Spring temperatures are usually in the 60s, and rain tapers off.
4. April63°F / 50°F · 7 rainy daysChecking fares…The Cherry Blossom Festival is in April.Spring from April to early June is a great window: the city is in bloom and crowds are modest.
5. May64°F / 51°F · 4 rainy daysChecking fares…By May highs reach about 68F with only one or two rain days.Yerba Buena Gardens festival season runs from early May to end of October.Yosemite waterfalls at peak snowmelt · The Napa Table
6. June67°F / 53°F · 2 rainy daysChecking fares…The Pride Parade is at the end of June.Summer is cool and foggy; fog horns in July surprise visitors.San Francisco Pride Parade
7. July66°F / 54°F · 1 rainy daysChecking fares…July is sunny-ish, but summer fog can occasionally appear.Summer is the high season, with higher prices and crowds.Festival Napa Valley
8. August68°F / 56°F · 1 rainy daysChecking fares…Afternoon skies in August are generally not overwhelmed by cloud; the best weather starts in late August.Sunny days run from late August through early November.Monterey Car Week
9. Best timeSeptember70°F / 56°F · 1 rainy daysChecking fares…September is the warmest month, with highs of about 71F.Locals call September and October the sweet spot, with the warmest days and clearest skies.Oktoberfest at Pier 48 is in the third week of September.Monterey Jazz Festival
10. Best timeOctober70°F / 54°F · 4 rainy daysChecking fares…October brings the warmest days, clearest skies and a break from fog.Fall has fewer tourists, so top experiences are less crowded.
11. November64°F / 51°F · 8 rainy daysChecking fares…November brings more rain and fog, with highs about 62F.Rain is frequent in November and December.Monarch butterflies at Pacific Grove
12. December58°F / 47°F · 12 rainy daysChecking fares…December is the wettest and coldest month, with about eleven rain days.Indoor options include Aquarium of the Bay and SFMOMA when it rains.

Weather: San Francisco averages from NOAA (1961 to 1974 averages), as listed in its climate table on Wikipedia.

• SF SketchfestSan Francisco, CaliforniaEvery January to February
• Napa Lighted Art FestivalDowntown Napa, CaliforniaEvery January to February
• Yosemite FirefallYosemite National Park, CaliforniaEvery February
• Yosemite waterfalls at peak snowmeltYosemite Valley, CaliforniaEvery May to June
• The Napa TableDowntown Napa, CaliforniaEvery May to June
• San Francisco Pride ParadeSan Francisco, CaliforniaEvery June
• Festival Napa ValleyNapa Valley, CaliforniaEvery July
• Monterey Car WeekMonterey, CaliforniaEvery August
• Monterey Jazz FestivalMonterey, CaliforniaEvery September
• Monarch butterflies at Pacific GrovePacific Grove, CaliforniaEvery November to January

What is the hottest month in San Francisco, CA?

September, with average highs around 71F (22C).

What are the seasons in San Francisco?

Winter is wet and foggy, spring is mild and drying out, summer is the high season with cool fog, and fall is the warmest, driest stretch.

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