PlainClimate

Santa Barbara weather in March: Santa Barbara, California: normal highs, lows, rain and records for March

Santa Barbara in March has a normal high of 66°F and a normal low of 46°F, a daily mean of 56°F, rising from 65°F on the 1st to 67°F by the 31st. Measurable precipitation falls on 6 days in a normal March, 3.10 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 19°C and low of 8°C, 79 mm of precipitation in March.

  • NOAA stationSanta Barbara Municipal Airport
  • Station IDUSW00023190
  • Location34.43°N 119.84°W
  • Elevation9 ft (3 m)
  • From the center8 miles
  • Population87,291
  1. Jan 64° 41°
  2. Feb 64° 44°
  3. Mar 66° 46°
  4. Apr 68° 48°
  5. May 69° 51°
  6. Jun 70° 55°
  7. Jul 73° 58°
  8. Aug 75° 58°
  9. Sep 74° 56°
  10. Oct 73° 51°
  11. Nov 69° 44°
  12. Dec 64° 40°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Santa Barbara in March?

The normal high is 66°F and the normal low 46°F, for a daily mean of 56.1°F. March is 2.4°F warmer than February and 1.9°F cooler than April. March is the 9th warmest month of the year in Santa Barbara and the 3rd wettest. Across the month the normal high rises 2°F, from 65°F on March 1 to 67°F on March 31. From one year to the next March's mean temperature typically moves about 2.3°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 54°F and 58°F.

Santa Barbara in March, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 23%).

Normal high and low on five days of March, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
March 165°F45°F23%17%
March 865°F46°F21%15%
March 1566°F46°F19%14%
March 2266°F47°F18%12%
March 3167°F47°F15%10%
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 30, coldest night March 1)
Santa Barbara: NOAA 1991-2020 daily normals for each day of March
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
March 165°F45°F23%17%11 h 20 min
March 265°F45°F22%16%11 h 30 min
March 365°F45°F22%16%11 h 30 min
March 465°F46°F22%16%11 h 30 min
March 565°F46°F22%16%11 h 30 min
March 665°F46°F21%15%11 h 40 min
March 765°F46°F21%15%11 h 40 min
March 865°F46°F21%15%11 h 40 min
March 965°F46°F20%15%11 h 40 min
March 1066°F46°F20%14%11 h 40 min
March 1166°F46°F20%14%11 h 50 min
March 1266°F46°F20%14%11 h 50 min
March 1366°F46°F20%14%11 h 50 min
March 1466°F46°F20%14%11 h 50 min
March 1566°F46°F19%14%11 h 50 min
March 1666°F46°F19%14%12 h
March 1766°F46°F19%13%12 h
March 1866°F46°F19%13%12 h
March 1966°F46°F19%13%12 h
March 2066°F47°F19%13%12 h 10 min
March 2166°F47°F18%13%12 h 10 min
March 2266°F47°F18%12%12 h 10 min
March 2367°F47°F18%12%12 h 10 min
March 2467°F47°F17%12%12 h 10 min
March 2567°F47°F17%12%12 h 20 min
March 2667°F47°F17%11%12 h 20 min
March 2767°F47°F17%11%12 h 20 min
March 2867°F47°F16%11%12 h 20 min
March 2967°F47°F16%11%12 h 20 min
March 3067°F47°F16%10%12 h 30 min
March 3167°F47°F15%10%12 h 30 min
Normal high
66°FMarch average
Normal low
46°FMarch average
Precipitation
3.10 inmonth total
Days with precipitation
60.01 inch or more
Daylight
11 h 20 min to 12 h 30 minMarch 1 to March 31
Days at 70°F or more
8
Days at 80°F or more
1
Sunshine
83%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00023190; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Santa Barbara in March?

On a given March day the chance of 0.01 inch or more is 19% on average, highest around March 1 (23%). In all, 3.10 in falls on 6 days of a normal March, 1 of them with an inch or more.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023190.

How humid and windy is Santa Barbara in March?

At 3 p.m. the normal temperature is 64°F with 56% relative humidity and a dew point of 48°F; at 6 a.m. it is 49°F with 82% humidity. The wind averages 6.1 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.

A normal March day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.49°F44°F82%3.2 mph59%
9 a.m.60°F48°F66%6.4 mph52%
noon63°F48°F58%9.5 mph55%
3 p.m.64°F48°F56%10.8 mph58%
6 p.m.60°F48°F66%7.6 mph63%
9 p.m.55°F47°F73%4.9 mph80%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00023190. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for March in Santa Barbara?

The warmest March temperature on this station's record (since 1941) is 94°F, on March 4, 1972; the coldest is 30°F, on March 3, 1966. The wettest March brought 11.45 in (1991).

The March mean against the 1991-2020 normal of 56.1°F: 2021 54.1°F (−2.0), 2022 57.6°F (+1.5), 2023 54.5°F (−1.6), 2024 56.5°F (+0.4), 2025 54.6°F (−1.5), 2026 61.3°F (+5.2). 3 of 6 ran warmer than normal.

Santa Barbara: March in recent years against the 1991-2020 normal
MarchMeanAgainst normalPrecip.
202154.1°F−2.0°F1.03 in
202257.6°F+1.5°F1.33 in
202354.5°F−1.6°F9.25 in
202456.5°F+0.4°F4.45 in
202554.6°F−1.5°F2.27 in
202661.3°F+5.2°F0.22 in

Source: records: ACIS, station USW00023190; recent months: ACIS, station USW00023190. Records and recent months use complete months only.

How does March in Santa Barbara compare across California?

Across the 219 places PlainClimate covers in California, March normal highs run from 43°F in Tahoma to 81°F in Brawley; Santa Barbara's is 66°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places