Santa Monica weather in April
Temperature, sea and sunshine in April: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in April
Fair
Best time to visit: June – October
What is the weather like in Santa Monica in April?
In April, Santa Monica is warm: daytime highs average 21 °C, and nights cool down to about 11 °C. The sea averages 15.0 °C – swimming is only for the hardy. With around 10 hours of sunshine a day, there is plenty of sun. Rain is rare: about 2 days bring 16 mm in total. All in all, April is a so-so month for a holiday in Santa Monica.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 13 h 0 min06:24 – 19:24
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 38 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC−7America/Los_Angeles
How the score comes together
- Temperatureweight 35 %38 %
- Seaweight 25 %0 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 20 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in April
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Santa Monica in April: quick answers
Is Santa Monica hot in April?
Warm rather than hot: in April, daytime highs in Santa Monica average 21 °C and nights cool to about 11 °C. On about 1 days the thermometer climbs to 30 °C or more.
Can you swim in Santa Monica in April?
Only if you don't mind cold water: in April the sea averages just 15.0 °C. Comfortable swimming is possible from August to September.
Does it rain much in Santa Monica in April?
Rain is rare: about 2 days bring 16 mm in total.
Santa Monica month by month
The whole year in Santa MonicaAll destinations: USAWhere to go in AprilSea temperature in April
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences