San Diego weather in April 2021

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  • 21°C maximum daytime temperature in April in San Diego21
    21°C max day temperature
  • 9 hours of sunshine per day
  • 4 days with some rainfall in April in San Diego4
    4 days with some rainfall
  • 11°C minimum night-time temperature in April in San Diego11
    11°C min night temperature
  • 13 hours of daylight per day in April in San Diego13
    13 hours of daylight per day
  • No heat & humidity in April in San Diego0
    No heat & humidity
  • 23 mm monthly rainfall in April in San Diego23
    23 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in April in San Diego8
    8 (Very High) UV index
  • 16°C sea temperature in April in San Diego16
    16°C sea temperature
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The April weather guide for San Diego, 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 hot is it in San Diego in April?

Daytime temperatures usually reach 21°C in San Diego in April, falling to 11°C at night.

How sunny is it in San Diego in April?

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

How warm is the sea around San Diego in April?

The average sea temperature around San Diego in April is 16°C.

Does it rain in San Diego in April?

There are usually 4 days with some rain in San Diego in April and the average monthly rainfall is 23mm.

San Diego sunrise & sunset times for April 2021

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st April 2021 06:36 19:09
Thursday, 15th April 2021 06:19 19:19
Friday, 30th April 2021 06:02 19:30

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

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Where is hot in California in April for 2021/2022?

Below are average maximum temperatures at popular destinations in California in April. Select a destination to see more weather parameters.

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