March Weather in Big Bend, United States

Last updated: June 24, 2025

In March, the average temperature in Big Bend, United States hovers around 2°C (36°F), with temperatures ranging from a chilly -23°C (-10°F) to a mild 21°C (70°F). Visitors should expect precipitation of 62 mm (2.5 in) over 9 days, and prepare for a relatively high average humidity of 85%.

March Temperature in Big Bend

In March in Big Bend, the average temperature is 2°C (36°F). The maximum can reach 21°C (70°F) and the minimum can be as low as -23°C (-10°F). Be prepared for a wide range of temperatures when planning your trip to Big Bend this March.

March Weather in Big Bend: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Big Bend, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Big Bend, March typically has an average temperature of 2°C (36°F), with highs reaching up to 21°C (70°F) and lows dropping to around -23°C (-10°F).
JanFebMarAprMayJunJulAugSepOctNovDec232536455869747265523730
Data source: Temperature data for Big Bend 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 Big Bend

In Big Bend in March, the precipitation amount is 62 mm (2.5 in) over a span of 9 days, indicating a relatively wet period.

March Precipitation Trends in Big Bend

The chart displays monthly precipitation patterns in Big Bend, 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 Big Bend, March typically receives around 62 mm (2.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec5753621091341059282991114748
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Big Bend

In Big Bend in March, humidity is 85%. With an average temperature of 2°C (36°F), this humidity feels like an icy blanket clinging to your skin, making travel challenging as the cold dampness seeps into your bones and fogs your breath.

March Average Humidity in Big Bend

This chart illustrates the average monthly humidity levels in Big Bend, 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 Big Bend is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Big Bend

In Big Bend in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Big Bend.

Maximum UV Index Levels in Big Bend for March

The chart shows the monthly maximum UV Index (UVI) for Big Bend 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 Big Bend typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34589101097532
Data source: Big Bend 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 Big Bend Compares to Other Months

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

This table compares monthly weather conditions in Big Bend, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)57 mm (2.2 inches)85%moderate
February Weather-4°C (25°F)53 mm (2.1 inches)85%moderate
March Weather2°C (36°F)62 mm (2.5 inches)85%moderate
April Weather7°C (46°F)109 mm (4.3 inches)85%very high
May Weather14°C (58°F)134 mm (5.3 inches)78%very high
June Weather21°C (69°F)105 mm (4.1 inches)80%very high
July Weather23°C (75°F)92 mm (3.6 inches)78%very high
August Weather22°C (72°F)82 mm (3.2 inches)76%very high
September Weather19°C (66°F)99 mm (3.9 inches)79%high
October Weather11°C (52°F)111 mm (4.4 inches)83%moderate
November Weather3°C (38°F)47 mm (1.8 inches)88%moderate
December Weather-1°C (31°F)48 mm (1.9 inches)81%low

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