San Francisco weather in March 2026

Expect daytime maximum temperatures of 61°F in San Francisco, California in March based on long-term weather averages. There are 9 hours of sunshine per day on average with 11 days with some rainfall and typically 3.5 inches of rainfall in the month.

  • 61°F maximum daytime temperature in March in San Francisco61
    61°F max day temperature
  • 9 hours of sunshine per day
  • 11 days with some rainfall in March in San Francisco11
    11 days with some rainfall
  • 46°F minimum night-time temperature in March in San Francisco46
    46°F min night temperature
  • 12 hours of daylight per day in March in San Francisco12
    12 hours of daylight per day
  • No heat & humidity in March in San Francisco0
    No heat & humidity
  • 3.5 inches monthly rainfall in March in San Francisco3.5
    3.5 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in March in San Francisco5
    5 (Moderate) UV index
  • 54°F sea temperature in March in San Francisco54
    54°F sea temperature

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The March 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)  |  Imperial (°F)

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More about San Francisco

How warm is it in San Francisco in March?

Daytime temperatures usually reach 61°F in San Francisco in March, falling to 46°F at night.

How sunny is it in San Francisco in March?

There are normally 9 hours of bright sunshine each day in San Francisco in March - that's 72% of daylight hours.

How warm is the sea around San Francisco in March?

The average sea temperature around San Francisco in March is 54°F.

Does it rain in San Francisco in March?

There are usually 11 days with some rain in San Francisco in March and the average monthly rainfall is 3.5 inches.

San Francisco March sunrise & sunset times

Browse the sunrise and sunset times for San Francisco in March 2026. Select a month to view San Francisco sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st March 2026 06:41 18:03
Monday, 16th March 2026 06:19 18:18
Tuesday, 31st March 2026 05:56 18:32

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