March Weather in Dallas, United States

Last updated: June 24, 2025

In March, the average temperature in Dallas, United States hovers around 13°C (56°F), offering a cool atmosphere. Conditions can fluctuate dramatically, with minimums dipping to -5°C (24°F) and maximums soaring up to 30°C (86°F). The month experiences around 138 mm (5.4 in) of precipitation over 14 days, contributing to a relatively high average humidity of 83%. Stay prepared for a mix of weather as you explore this vibrant locale!

March Temperature in Dallas

In March in Dallas, the average temperature is 13°C (56°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop to as low as -5°C (24°F). Expect a wide range of temperatures, so be sure to pack accordingly for your travels.

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 13°C (56°F), with highs reaching up to 30°C (86°F) and lows dropping to around -5°C (24°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 138 mm (5.4 in) over a span of 14 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 138 mm (5.4 inches) of precipitation spread over approximately 14 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Dallas

In Dallas in March humidity is 83%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable as the air feels heavy and the moisture clings to your skin.

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 83%, 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 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.

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	7°C (45°F)	111 mm (4.4 inches)	86%	moderate
February Weather	10°C (51°F)	159 mm (6.3 inches)	84%	high
March Weather	13°C (56°F)	138 mm (5.4 inches)	83%	very high
April Weather	16°C (62°F)	134 mm (5.3 inches)	81%	very high
May Weather	21°C (71°F)	106 mm (4.2 inches)	81%	extreme
June Weather	24°C (76°F)	133 mm (5.3 inches)	81%	extreme
July Weather	26°C (79°F)	123 mm (4.9 inches)	83%	extreme
August Weather	25°C (78°F)	144 mm (5.7 inches)	81%	very high
September Weather	23°C (74°F)	112 mm (4.4 inches)	82%	very high
October Weather	18°C (65°F)	131 mm (5.1 inches)	78%	very high
November Weather	11°C (52°F)	86 mm (3.4 inches)	86%	high
December Weather	9°C (48°F)	137 mm (5.4 inches)	89%	moderate