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March Weather in San Fernando, Mexico

Last updated: August 27, 2025

In March, the average temperature in San Fernando, Mexico hovers around 22°C (73°F). You can expect a minimum chill of 4°C (40°F) and a sweltering maximum of 37°C (99°F). The region experiences 36 mm (1.4 in) of precipitation spread over approximately 5 days, and the average humidity is a comfortable 78%.

March Temperature in San Fernando

In March in San Fernando, the average temperature is 22°C (73°F), with maximums reaching 37°C (99°F) and minimums dropping as low as 4°C (40°F). This diverse range of temperatures makes San Fernando a suitable destination for travelers seeking a mix of warm and cooler experiences.

March Weather in San Fernando: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in San Fernando, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Fernando, March typically has an average temperature of 22°C (73°F), with highs reaching up to 37°C (99°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec636672778285858782776965
Data source: Temperature data for San Fernando 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 San Fernando

In San Fernando in March, the precipitation amount is 36 mm (1.4 in) over the course of 5 days.

March Precipitation Trends in San Fernando

The chart displays monthly precipitation patterns in San Fernando, 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 San Fernando, March typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec2416363058738625109873313
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in San Fernando

In San Fernando in March, humidity is 78%. With an average temperature of 22°C (73°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel sweat-inducing, so it's best to stay hydrated and take breaks in the shade while exploring.

March Average Humidity in San Fernando

This chart illustrates the average monthly humidity levels in San Fernando, 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 San Fernando is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%78%81%82%74%68%67%75%78%83%86%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in San Fernando

In San Fernando in March, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in San Fernando.

Maximum UV Index Levels in San Fernando for March

The chart shows the monthly maximum UV Index (UVI) for San Fernando 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 San Fernando typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79111212121212111086
Data source: San Fernando 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 San Fernando Compares to Other Months

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

This table compares monthly weather conditions in San Fernando, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)24 mm (0.9 inches)84%high
February Weather19°C (67°F)16 mm (0.6 inches)83%very high
March Weather22°C (73°F)36 mm (1.4 inches)78%extreme
April Weather25°C (78°F)30 mm (1.2 inches)81%extreme
May Weather28°C (83°F)58 mm (2.3 inches)82%extreme
June Weather29°C (85°F)72 mm (2.9 inches)74%extreme
July Weather30°C (86°F)86 mm (3.4 inches)68%extreme
August Weather30°C (87°F)25 mm (1.0 inches)67%extreme
September Weather28°C (83°F)109 mm (4.3 inches)75%extreme
October Weather25°C (77°F)87 mm (3.4 inches)78%very high
November Weather21°C (70°F)33 mm (1.3 inches)83%very high
December Weather18°C (66°F)13 mm (0.5 inches)86%high

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