Santa Monica weather in March
Temperature, sea and sunshine in March: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in March
Fair
Best time to visit: June – October
What is the weather like in Santa Monica in March?
In March, Santa Monica is mild: daytime highs average 20 °C, and nights cool down to about 9 °C. The sea averages 14.7 °C – swimming is only for the hardy. The sun shines for around 8 hours a day. Rain is rare: about 5 days bring 39 mm in total. All in all, March is a so-so month for a holiday in Santa Monica.
March compared
How the weather changes from February to April. Tap a month to open it.
| FebruaryFeb | MarchMar | AprilApr | |
|---|---|---|---|
| Score | 30 | 40 | 53 |
| Day | 18° | 20° | 21° |
| Night | 8° | 9° | 11° |
| Sea | 15° | 15° | 15° |
| Sun | 7 h | 8 h | 10 h |
| Rain days | 6 | 5 | 2 |
More details for March
- Daylight
- 11 h 55 min07:06 – 19:01
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 45 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−7America/Los_Angeles
How the score comes together
- Temperatureweight 35 %8 %
- Seaweight 25 %0 %
- Sunshineweight 20 %87 %
- Few rainy daysweight 20 %96 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in March
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Santa Monica in March: quick answers
Is Santa Monica hot in March?
No. In March, Santa Monica is mild: daytime highs average 20 °C and nights drop to about 9 °C.
Can you swim in Santa Monica in March?
Only if you don't mind cold water: in March the sea averages just 14.7 °C. Comfortable swimming is possible from August to September.
Does it rain much in Santa Monica in March?
Rain is rare: about 5 days bring 39 mm in total.
Santa Monica month by month
The whole year in Santa MonicaAll destinations: USAWhere to go in MarchSea temperature in March
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