March Weather in Dallas, United States

Last updated: June 24, 2025

In March, the average temperature in Dallas, United States is a cool 7°C (45°F), with fluctuations between a minimum of -4°C (25°F) and a maximum of 22°C (73°F). Expect 133 mm (5.2 in) of precipitation spread across 16 days, and be prepared for a high average humidity of 85%. Perfect your packing for this variable weather!

March Temperature in Dallas

In March in Dallas, the average temperature is 7°C (45°F). The maximum can reach 22°C (73°F), while the minimum can fall as low as -4°C (25°F). Be prepared for a wide range of temperatures when traveling 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 7°C (45°F), with highs reaching up to 22°C (73°F) and lows dropping to around -4°C (25°F).

Data source: Temperature data for Dallas generated using information from the Copernicus Climate Change Service.

March Precipitation in Dallas

In Dallas in March, the total precipitation amount is 133 mm (5.2 in) spread over 16 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 133 mm (5.2 inches) of precipitation spread over approximately 16 days.

Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

March Humidity in Dallas

In Dallas in March, humidity is 85%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while traveling.

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 85%, offering insight into how humid the weather typically is during this month.

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 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 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 5, which falls under the moderate exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	165 mm (6.5 inches)	85%	low
February Weather	5°C (41°F)	166 mm (6.5 inches)	84%	moderate
March Weather	7°C (45°F)	133 mm (5.2 inches)	85%	moderate
April Weather	10°C (51°F)	112 mm (4.4 inches)	83%	high
May Weather	14°C (57°F)	54 mm (2.1 inches)	83%	very high
June Weather	17°C (63°F)	44 mm (1.7 inches)	83%	very high
July Weather	20°C (68°F)	4 mm (0.2 inches)	82%	very high
August Weather	21°C (69°F)	5 mm (0.2 inches)	74%	very high
September Weather	17°C (63°F)	60 mm (2.3 inches)	71%	high
October Weather	11°C (53°F)	89 mm (3.5 inches)	81%	moderate
November Weather	8°C (46°F)	147 mm (5.8 inches)	87%	moderate
December Weather	5°C (41°F)	186 mm (7.3 inches)	87%	low