San Francisco weather in August 2024

Expect 20°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in San Francisco in August. Check more long-term weather averages for San Francisco in August before you book your next holiday to California in 2024/2025.

  • 20°C maximum daytime temperature in August in San Francisco20
    20°C max day temperature
  • 10 hours of sunshine per day
  • 1 day with some rainfall in August in San Francisco1
    1 day with some rainfall
  • 13°C minimum night-time temperature in August in San Francisco13
    13°C min night temperature
  • 14 hours of daylight per day in August in San Francisco14
    14 hours of daylight per day
  • No heat & humidity in August in San Francisco0
    No heat & humidity
  • 2 mm monthly rainfall in August in San Francisco2
    2 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in San Francisco9
    9 (Very High) UV index
  • 14°C sea temperature in August in San Francisco14
    14°C sea temperature

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The August weather guide for California (San Francisco) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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

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More about San Francisco

How hot is it in San Francisco in August?

Daytime temperatures usually reach 20°C in San Francisco in August, falling to 13°C at night.

How sunny is it in San Francisco in August?

There are normally 10 hours of bright sunshine each day in San Francisco in August - that's 70% of daylight hours.

How warm is the sea around San Francisco in August?

The average sea temperature around San Francisco in August is 14°C.

Does it ever rain in San Francisco in August?

There is usually 1 day with some rain in San Francisco in August and the average monthly rainfall is 2mm.

San Francisco August sunrise & sunset times

Browse the sunrise and sunset times for San Francisco in August 2024. Select a month to view San Francisco sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2024 06:14 20:18
Friday, 16th August 2024 06:27 20:00
Saturday, 31st August 2024 06:39 19:39

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