March Weather in Gilroy, United States

Last updated: June 24, 2025

In March, the average temperature in Gilroy, United States hovers around 12°C (53°F), with minimums dipping to 0°C (33°F) and maximums peaking at 26°C (80°F). Expect about 73 mm (2.9 in) of precipitation spread over 10 days, contributing to an average humidity of 82%. Perfect for cozy layers and exploring the unique charm of the season!

March Temperature in Gilroy

In March in Gilroy, the average temperature is 12°C (53°F). The maximum can reach 26°C (80°F), while the minimum can drop as low as 0°C (33°F). This range makes it a great destination for travelers seeking mild weather and the opportunity to experience a variety of outdoor activities.

March Weather in Gilroy: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Gilroy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gilroy, March typically has an average temperature of 12°C (53°F), with highs reaching up to 26°C (80°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec505153576065676867625550
Data source: Temperature data for Gilroy 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 Gilroy

In Gilroy in March, the precipitation amount is 73 mm (2.9 in) over the course of 10 days.

March Precipitation Trends in Gilroy

The chart displays monthly precipitation patterns in Gilroy, 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 Gilroy, March typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec103797326151112173079
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Gilroy

In Gilroy in March, humidity is 82%. With an average temperature of 12°C (53°F), this humidity feels like a damp blanket enveloping you, making travel uncomfortable and sticky, as you navigate through the thick air that weighs heavily on your skin.

March Average Humidity in Gilroy

This chart illustrates the average monthly humidity levels in Gilroy, 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 Gilroy is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%82%78%71%64%59%54%55%62%78%80%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Gilroy

In Gilroy 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 Gilroy.

Maximum UV Index Levels in Gilroy for March

The chart shows the monthly maximum UV Index (UVI) for Gilroy 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 Gilroy typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4589111111109753
Data source: Gilroy 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 Gilroy Compares to Other Months

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

This table compares monthly weather conditions in Gilroy, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)103 mm (4.0 inches)82%moderate
February Weather11°C (52°F)79 mm (3.1 inches)84%moderate
March Weather12°C (53°F)73 mm (2.9 inches)82%very high
April Weather14°C (57°F)26 mm (1.0 inches)78%very high
May Weather15°C (60°F)15 mm (0.6 inches)71%extreme
June Weather18°C (65°F)1 mm (0.0 inches)64%extreme
July Weather19°C (67°F)1 mm (0.0 inches)58%extreme
August Weather20°C (68°F)1 mm (0.0 inches)54%very high
September Weather19°C (67°F)2 mm (0.1 inches)55%very high
October Weather17°C (62°F)17 mm (0.7 inches)62%high
November Weather13°C (55°F)30 mm (1.2 inches)78%moderate
December Weather10°C (50°F)79 mm (3.1 inches)80%moderate

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