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March Weather in Santa Clara, United States

Last updated: June 24, 2025

In March, the average temperature in Santa Clara, United States hovers around 10°C (51°F). However, you can expect a minimum of -4°C (26°F) and a maximum of 27°C (81°F). During this month, the area receives approximately 44 mm (1.7 in) of precipitation over about 7 days, contributing to an average humidity of 72%.

March Temperature in Santa Clara

In March in Santa Clara, the average temperature is 10°C (51°F). The maximum can reach 27°C (81°F), while the minimum can drop as low as -4°C (26°F). Be prepared for a wide range of temperatures when traveling to Santa Clara during this month.

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

The chart illustrates March temperature patterns in Santa Clara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Clara, March typically has an average temperature of 10°C (51°F), with highs reaching up to 27°C (81°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec394350606881868576605040
Data source: Temperature data for Santa Clara 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 Clara

In Santa Clara in March, the precipitation amount is 44 mm (1.7 in) spread over a duration of 7 days.

March Precipitation Trends in Santa Clara

The chart displays monthly precipitation patterns in Santa Clara, 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 Clara, March typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec45384411141895132734
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Santa Clara

In Santa Clara in March, humidity is 72%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less comfortable and requiring extra layers to stay warm while exploring.

March Average Humidity in Santa Clara

This chart illustrates the average monthly humidity levels in Santa Clara, 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 Clara is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%82%72%62%45%34%30%31%47%62%77%80%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Santa Clara

In Santa Clara in March, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Santa Clara.

Maximum UV Index Levels in Santa Clara for March

The chart shows the monthly maximum UV Index (UVI) for Santa Clara 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 Clara typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112121110754
Data source: Santa Clara 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 Clara Compares to Other Months

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

This table compares monthly weather conditions in Santa Clara, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)45 mm (1.8 inches)80%moderate
February Weather6°C (43°F)38 mm (1.5 inches)82%high
March Weather10°C (51°F)44 mm (1.7 inches)72%very high
April Weather16°C (61°F)11 mm (0.4 inches)62%very high
May Weather20°C (68°F)14 mm (0.5 inches)45%extreme
June Weather27°C (82°F)1 mm (0.0 inches)34%extreme
July Weather30°C (86°F)8 mm (0.3 inches)30%extreme
August Weather29°C (85°F)9 mm (0.4 inches)31%extreme
September Weather25°C (76°F)5 mm (0.2 inches)47%very high
October Weather16°C (60°F)13 mm (0.5 inches)62%high
November Weather10°C (50°F)27 mm (1.1 inches)77%moderate
December Weather5°C (40°F)34 mm (1.3 inches)80%moderate

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