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

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

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.

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.

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