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March Weather in Dallas, United States

Last updated: June 24, 2025

In March, the average temperature in Dallas, United States is a mild 12°C (54°F). However, be prepared for a range of conditions, as temperatures can dip to a chilly -6°C (22°F) or rise to a warm 31°C (87°F). Expect around 94 mm (3.7 in) of precipitation over approximately 11 days, coupled with an average humidity of 84%, making this a notably humid month. Stay prepared for the weather swings!

March Temperature in Dallas

In March in Dallas, the average temperature is 12°C (54°F). The maximum can reach 31°C (87°F), and the minimum can be as low as -6°C (22°F). This makes Dallas an appealing destination for travelers looking to experience a wide range of temperatures and outdoor activities during this time.

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

The chart illustrates March temperature patterns in Dallas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dallas, March typically has an average temperature of 12°C (54°F), with highs reaching up to 31°C (87°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec434853627076807874645046
Data source: Temperature data for Dallas 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 Dallas

In Dallas in March, the precipitation amount is 94 mm (3.7 in) over the course of 11 days.

March Precipitation Trends in Dallas

The chart displays monthly precipitation patterns in Dallas, 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 Dallas, March typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9412594117120929811913010896126
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Dallas

In Dallas in March, humidity is 84%. With an average temperature of 12°C (54°F), this humidity feels like a damp blanket enveloping you, making travel uncomfortable and sticky.

March Average Humidity in Dallas

This chart illustrates the average monthly humidity levels in Dallas, 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 Dallas is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Dallas

In Dallas 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 Dallas.

Maximum UV Index Levels in Dallas for March

The chart shows the monthly maximum UV Index (UVI) for Dallas 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 Dallas typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101111109853
Data source: Dallas 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 Dallas Compares to Other Months

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

This table compares monthly weather conditions in Dallas, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)94 mm (3.7 inches)86%moderate
February Weather9°C (49°F)124 mm (4.9 inches)85%high
March Weather12°C (54°F)94 mm (3.7 inches)84%very high
April Weather16°C (62°F)117 mm (4.6 inches)82%very high
May Weather21°C (71°F)120 mm (4.7 inches)83%very high
June Weather25°C (77°F)92 mm (3.6 inches)82%extreme
July Weather27°C (80°F)98 mm (3.9 inches)80%extreme
August Weather26°C (78°F)119 mm (4.7 inches)74%very high
September Weather23°C (74°F)130 mm (5.1 inches)75%very high
October Weather18°C (65°F)107 mm (4.2 inches)79%very high
November Weather10°C (51°F)96 mm (3.8 inches)87%moderate
December Weather8°C (47°F)126 mm (5.0 inches)87%moderate

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