Santa Barbara weather in March
March in Santa Barbara: nice, rainy, with clean air — a great time to visit.
#9 of 12 months in Santa Barbara · #544 of 897 destinations to visit in March · comfort 74/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Santa Barbara in March
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Santa Barbara climate normals — March
| Daytime high | 19°C / 66°F | 😎 nice |
|---|---|---|
| Nighttime low | 9°C / 48°F | |
| Rainfall | 91 mm / 3.6 in | 🌧 rainy |
| Rainy days | 7 days | |
| Humidity | 61% | 💧 humid |
| Dew point | 5°C / 41°F | |
| Sunshine | 10.2 h/day | |
| Daylight | 12 h | |
| Wind | 17 km/h / 10 mph | |
| Snowfall | 1.9 cm / 0.7 in | |
| Air quality (US AQI) | 39 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Santa Barbara in March — FAQ
- Is March a good time to visit Santa Barbara?
- March in Santa Barbara: nice, rainy, with clean air — a great time to visit. It ranks #9 of 12 months for Santa Barbara on SeasonMap's comfort score (74/100).
- What is the weather like in Santa Barbara in March?
- In March, Santa Barbara averages a daily high of 18.8°C and a low of 8.7°C, with about 91 mm of rain over roughly 7.2 rainy days.
- What is the air quality in Santa Barbara in March?
- Santa Barbara has a mean US Air Quality Index of about 39 in March.
- Does it snow in Santa Barbara in March?
- Santa Barbara sees roughly 1.9 cm of snowfall in March.