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San Diego weather in April 2021
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- 2121°C max day temperature
- 44 days with some rainfall
- 1111°C min night temperature
- 1313 hours of daylight per day
- 0No heat & humidity
- 2323 mm of monthly rainfall
- 88 (Very High) UV index
- 1616°C sea temperature
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.
Recommended for California
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.
|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)
Discover more about California
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.
- Death Valley
- Los Angeles
- Beverly Hills
- San Diego
- Santa Monica
- Palm Springs
- Santa Barbara
- San Francisco
- Big Sur
- Lake Tahoe
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