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March Weather in Santa Barbara, Mexico

Last updated: August 27, 2025

In March, the average temperature in Santa Barbara, Mexico hovers around 16°C (60°F), creating a comfortable climate for visitors. However, prepare for temperature fluctuations, as it can dip to a chilly -1°C (30°F) at times and soar to a warm 33°C (92°F). Expect a modest precipitation of 7 mm (0.3 in) over just 1 day, and enjoy a pleasant average humidity level of 58%.

March Temperature in Santa Barbara

In March in Santa Barbara, the average temperature is 16°C (60°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as -1°C (30°F). Visitors should be prepared for a range of weather conditions, from warm days to chilly nights.

March Weather in Santa Barbara: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Santa Barbara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Barbara, March typically has an average temperature of 16°C (60°F), with highs reaching up to 33°C (92°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec505460667276727267645750
Data source: Temperature data for Santa Barbara generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Santa Barbara

In Santa Barbara in March, the precipitation amount is 7 mm (0.3 in) over the course of 1 day.

March Precipitation Trends in Santa Barbara

The chart displays monthly precipitation patterns in Santa Barbara, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Santa Barbara, March typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec677683911092126422020
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Santa Barbara

In Santa Barbara in March, humidity is 58%. With an average temperature of 16°C (60°F), this humidity feels like a mild embrace, making it comfortable for exploring the streets, although you might want to carry a light jacket for the occasional chill in the air.

March Average Humidity in Santa Barbara

This chart illustrates the average monthly humidity levels in Santa Barbara, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Santa Barbara is approximately 58%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%65%58%48%48%54%72%77%86%82%85%87%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Santa Barbara

In Santa Barbara in March, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Santa Barbara.

Maximum UV Index Levels in Santa Barbara for March

The chart shows the monthly maximum UV Index (UVI) for Santa Barbara in March, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In March, the maximum UV index in Santa Barbara typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710121414131313131187
Data source: Santa Barbara March UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How March Weather in Santa Barbara Compares to Other Months

Weather in Santa Barbara varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Santa Barbara, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Santa Barbara, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)6 mm (0.2 inches)75%high
February Weather12°C (54°F)7 mm (0.3 inches)65%very high
March Weather16°C (60°F)7 mm (0.3 inches)58%extreme
April Weather19°C (67°F)5 mm (0.2 inches)48%extreme
May Weather22°C (73°F)8 mm (0.3 inches)48%extreme
June Weather25°C (76°F)39 mm (1.6 inches)54%extreme
July Weather22°C (72°F)109 mm (4.3 inches)72%extreme
August Weather22°C (72°F)92 mm (3.6 inches)77%extreme
September Weather20°C (67°F)126 mm (5.0 inches)86%extreme
October Weather18°C (64°F)42 mm (1.7 inches)82%extreme
November Weather14°C (57°F)20 mm (0.8 inches)85%very high
December Weather10°C (50°F)20 mm (0.8 inches)87%high

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