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March Weather in Castroville, United States

Last updated: June 24, 2025

In Castroville, United States, the average temperature in March hovers around 12°C (53°F), with a minimum of 3°C (38°F) and a maximum of 23°C (74°F). During this period, expect 87 mm (3.4 in) of precipitation spread over 12 days, leading to an average humidity level of 82%. Be prepared for a mix of mild weather and occasional showers!

March Temperature in Castroville

In March in Castroville, the average temperature is 12°C (53°F). The maximum can reach 23°C (74°F), and the minimum can be as low as 3°C (38°F). This makes it an ideal time for travelers seeking mild weather and comfortable outdoor activities.

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

The chart illustrates March temperature patterns in Castroville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castroville, March typically has an average temperature of 12°C (53°F), with highs reaching up to 23°C (74°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec525253555760616363605552
Data source: Temperature data for Castroville 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 Castroville

In Castroville in March, the precipitation amount is 87 mm (3.4 in) over the course of 12 days.

March Precipitation Trends in Castroville

The chart displays monthly precipitation patterns in Castroville, 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 Castroville, March typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec105858731212226193987
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Castroville

In Castroville 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 Castroville

This chart illustrates the average monthly humidity levels in Castroville, 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 Castroville 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 Castroville

In Castroville 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 Castroville.

Maximum UV Index Levels in Castroville for March

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

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

This table compares monthly weather conditions in Castroville, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)105 mm (4.1 inches)82%moderate
February Weather11°C (52°F)85 mm (3.4 inches)84%moderate
March Weather12°C (53°F)87 mm (3.4 inches)82%very high
April Weather13°C (55°F)31 mm (1.2 inches)78%very high
May Weather14°C (57°F)21 mm (0.8 inches)71%extreme
June Weather16°C (60°F)2 mm (0.1 inches)64%extreme
July Weather16°C (61°F)2 mm (0.1 inches)58%extreme
August Weather17°C (63°F)2 mm (0.1 inches)54%very high
September Weather17°C (63°F)6 mm (0.2 inches)55%very high
October Weather16°C (60°F)19 mm (0.7 inches)62%high
November Weather13°C (56°F)39 mm (1.5 inches)78%moderate
December Weather11°C (52°F)87 mm (3.4 inches)80%moderate

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