Climate guide for Santa Barbara, United States

Santa Barbara in March

Weather, crowds & best time to visit

How to read the score (0–10)
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March · United States

Best time to visit Santa Barbara in March Weather, crowds & prices

Weather in Santa Barbara in March

Average temperature 12°C, 109 mm of rain, about 21 days with 6+ hours of sunshine and 78% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

March score

4.7/10

Ranked #8 of 12 months

Full year for Santa Barbara
Avg temp
12°C
Rainfall
109 mm
Humidity
78%
Days with 6h+ sun
21
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

March in Santa Barbara scores 4.7/10 for beach and coastal travel - ranked #8 of 12. Expect around 12°C, 109 mm of rain, and roughly 21 days with 6+ hours of sunshine this month.

Santa Barbara pairs Spanish colonial architecture and a palm-lined waterfront with California wine country.

March in Santa Barbara — the hardest end of the year

Temperatures hover around 12°C (54°F) — the kind of month where neither heat nor cold forces the schedule.

109 mm of rain makes this a wet month here, though with about 21 days with 6+ hours of sunshine there is still bright weather between the fronts.

That is 4.7/10 on the same scale — 8th of 12 months, versus 9.7/10 for the best month here.

Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.

Expect low-season pricing, and crowds are light for this destination.

If your dates are flexible, August is materially better in Santa Barbara — 5 points higher on the same scale.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Santa Barbara in March?
In March, Santa Barbara averages 12°C, 109 mm of rain, and about 21 days with 6+ hours of sunshine. Its climate-comfort score is 4.7/10.
Is March a good time to visit Santa Barbara?
March earns a 4.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Santa Barbara in March?
Expect about 109 mm of rain in March. Average humidity is 78% and there are about 21 days with 6+ hours of sunshine.

Curated in Santa Barbara

Tickets & experiences

Things to do in Santa Barbara

Santa Barbara, United States. Live activities and tours from GetYourGuide, matched to this destination.