Santa Barbara 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
Poor
Best time to visit: May – October
What is the weather like in Santa Barbara in March?
In March, Santa Barbara is mild: daytime highs average 19 °C, and nights cool down to about 9 °C. The sea averages 13.7 °C – swimming is only for the hardy. The sun shines for around 8 hours a day. Rain falls on about 5 days, adding up to 64 mm. All in all, March is not an ideal month for a holiday in Santa Barbara.
March compared
How the weather changes from February to April. Tap a month to open it.
| FebruaryFeb | MarchMar | AprilApr | |
|---|---|---|---|
| Score | 30 | 39 | 54 |
| Day | 18° | 19° | 21° |
| Night | 8° | 9° | 11° |
| Sea | 14° | 14° | 14° |
| Sun | 7 h | 8 h | 10 h |
| Rain days | 6 | 5 | 3 |
More details for March
- Daylight
- 11 h 55 min07:11 – 19:06
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 23 km/haverage daily peakAll months
- Cloud cover
- 40 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−7America/Los_Angeles
How the score comes together
- Temperatureweight 35 %7 %
- Seaweight 25 %0 %
- Sunshineweight 20 %90 %
- Few rainy daysweight 20 %91 %
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 Barbara in March: quick answers
Is Santa Barbara hot in March?
No. In March, Santa Barbara is mild: daytime highs average 19 °C and nights drop to about 9 °C.
Can you swim in Santa Barbara in March?
Only if you don't mind cold water: in March the sea averages just 13.7 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Santa Barbara in March?
Rain falls on about 5 days, adding up to 64 mm.
Santa Barbara month by month
The whole year in Santa BarbaraAll 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