San Francisco weather in April 2021

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17
17°C max day temperature
10
10 hours of sunshine per day
6
6 days with some rainfall
9
9°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
40
40 mm of monthly rainfall
7
7 (High) UV index
12
12°C sea temperature

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The April weather guide for San Francisco, California 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.

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How warm is it in San Francisco in April?

Daytime temperatures usually reach 17°C in San Francisco in April, falling to 9°C at night.

How sunny is it in San Francisco in April?

There are normally 10 hours of bright sunshine each day in San Francisco in April - that's 78% of daylight hours.

How warm is the sea around San Francisco in April?

The average sea temperature around San Francisco in April is 12°C.

Does it rain in San Francisco in April?

There are usually 6 days with some rain in San Francisco in April and the average monthly rainfall is 40mm.

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

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San Francisco sunrise & sunset times for April 2021

Browse the sunrise & sunset times for San Francisco in April 2021. Select a month to view San Francisco sunrise & sunset times for the next twelve months.

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