Best time to visit San Francisco

Find the best time to visit San Francisco and plan your perfect trip in 2023/2024. Get holiday inspiration, weather guides, travel advice and find great deals.

San Francisco by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

When is the best time to visit San Francisco?

The best time to visit San Francisco is September based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • 13°C maximum daytime temperature in January in San Francisco13
  • 16°C maximum daytime temperature in February in San Francisco16
  • 16°C maximum daytime temperature in March in San Francisco16
  • 17°C maximum daytime temperature in April in San Francisco17
  • 18°C maximum daytime temperature in May in San Francisco18
  • 19°C maximum daytime temperature in June in San Francisco19
  • 20°C maximum daytime temperature in July in San Francisco20
  • 20°C maximum daytime temperature in August in San Francisco20
  • 22°C maximum daytime temperature in September in San Francisco22
  • 21°C maximum daytime temperature in October in San Francisco21
  • 17°C maximum daytime temperature in November in San Francisco17
  • 14°C maximum daytime temperature in December in San Francisco14

Hours of Sunshine (daily)

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Best time to visit

The weather guide for California (San Francisco) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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Which is the hottest month in San Francisco?

The hottest time of year in San Francisco is normally September. Expect maximum daytime temperatures to reach 22°C.

Which month has the most rain in San Francisco?

In terms of rainfall, January is usually the wettest month in San Francisco with 125mm on average. There are normally 10 days in January with some rain.

When is it sunniest in San Francisco?

The sunniest time of year in San Francisco is normally April with bright sunshine on average for 78% of daylight hours; that's 10 hours of sunshine per day.

When is the sea warmest in San Francisco?

The sea is usually at its warmest in San Francisco in September when the water temperature reaches 14°C.

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