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March Weather in San Bernardino, Mexico

Last updated: August 27, 2025

In March, the average temperature in San Bernardino, Mexico is a warm 26°C (80°F). Expect minimums around 20°C (69°F) and delightful highs of 32°C (89°F). With an average humidity of 63%, it’s a cozy atmosphere, even with a little precipitation of 8 mm (0.3 in) likely to fall over about 1 day. Enjoy the warmth and charm of this vibrant destination!

March Temperature in San Bernardino

In March in San Bernardino, the average temperature is 26°C (80°F). Maximums can reach 32°C (89°F), and minimums can be as low as 20°C (69°F). This pleasant climate makes San Bernardino an ideal destination for travelers seeking warm and enjoyable weather.

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

The chart illustrates March temperature patterns in San Bernardino, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Bernardino, March typically has an average temperature of 26°C (80°F), with highs reaching up to 32°C (89°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec777879818180808079797977
Data source: Temperature data for San Bernardino 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 Bernardino

In San Bernardino in March, the precipitation amount is 8 mm (0.3 in) over the course of 1 day.

March Precipitation Trends in San Bernardino

The chart displays monthly precipitation patterns in San Bernardino, 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 Bernardino, March typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec11489103458207370612631357
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in San Bernardino

In San Bernardino in March humidity is 63%. With an average temperature of 26°C (80°F), this humidity feels like a warm, enveloping blanket, making outdoor activities enjoyable yet slightly sticky, so travelers should stay hydrated and take breaks in the shade.

March Average Humidity in San Bernardino

This chart illustrates the average monthly humidity levels in San Bernardino, 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 Bernardino is approximately 63%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec67%66%63%66%71%74%78%78%77%77%75%72%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in San Bernardino

In San Bernardino in March, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in San Bernardino.

Maximum UV Index Levels in San Bernardino for March

The chart shows the monthly maximum UV Index (UVI) for San Bernardino 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 Bernardino typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121313141413131312108
Data source: San Bernardino 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 Bernardino Compares to Other Months

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

This table compares monthly weather conditions in San Bernardino, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)11 mm (0.4 inches)67%very high
February Weather25°C (78°F)4 mm (0.2 inches)66%extreme
March Weather26°C (80°F)8 mm (0.3 inches)63%extreme
April Weather27°C (81°F)9 mm (0.3 inches)66%extreme
May Weather27°C (81°F)103 mm (4.1 inches)71%extreme
June Weather26°C (80°F)458 mm (18.0 inches)73%extreme
July Weather27°C (81°F)207 mm (8.1 inches)78%extreme
August Weather27°C (80°F)370 mm (14.6 inches)78%extreme
September Weather26°C (80°F)612 mm (24.1 inches)77%extreme
October Weather26°C (79°F)631 mm (24.8 inches)77%extreme
November Weather26°C (79°F)35 mm (1.4 inches)75%very high
December Weather25°C (78°F)7 mm (0.3 inches)72%very high

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