Dallas Weather in March

As Dallas, Texas moves into spring, the weather warms up noticeably during March. Most days have comfortable temperatures and are often sunny.

This page gives detailed information on the typical March temperature, precipitation, sun, humidity, wind and storms for Dallas. The temperature, precipitation and wind speed numbers here are historical averages based on climate data gathered at the Dallas Love Field Airport, located a few miles from downtown Dallas. The rest of the measurements are averages from the nearby Dallas - Fort Worth International Airport.

Temperature Weather iconTemperature

70 °F March average high 21 °C
49 °F March average low 10 °C
17 days 70 °F max. or more (21 °C)
17 days 50 °F min. or less (10 °C)

The temperature rises nearly every day in March to over 50 degrees Fahrenheit (10 degrees Celsius) in Dallas. The city averages 5 days this month when the thermometer reaches into the 80s °F (over 27 °C). In most years March does not get as hot as 90 °F (32 °C).

The temperature dips to freezing on an average of one or two nights during the month. But only about once a decade does it go as low 20 °F (-8 °C) this time of year.

Rainy Weather iconPrecipitation

3.5 in total precipitation 88 mm
8 days of rain

Half the time, Dallas receives 1.8 to 4.6 inches (47 to 117 mm) of rainfall in March. One in four years has drier weather, while another one in four is wetter. Although snow is possible now, in most years March is free of snow.

Sunny Weather iconSun

58 % sunshine
10 days clear skies

The sun's rays reach the ground in Dallas during 58 percent of daylight hours on average in March, for a total of 216 hours in the month. Typically on 10 days this month the sky is mainly clear, with at most 30 percent cloud cover.

Sunlight in March at Dallas lasts for 12 hours a day on average. The shortest day of the month is the 1st with 11 hours and 30 minutes of daylight. By the end of the month, the days have lengthened to 12:31 from sunrise to sunset. These durations can vary by a minute or two from year to year.

Humid Weather iconHumidity

64 % March average humidity

The relative humidity in Dallas during March usually peaks at 79 percent in the morning then drops to 49 percent by mid afternoon.

Local Time12 am3 am6 am9 am12 pm3 pm6 pm9 pm
Humidity % 69 75 79 70 56 49 50 62

Windy Weather iconWind

10.9 mph March wind speed average 17.5 kph

March is windier than most other months in Dallas.

Stormy Weather iconStorms

2 days rainfall of 0.5 inches (13 mm) or more
4 days with thunderstorms in March

The weather data here are long-term averages provided by the US National Centers for Environmental Information (NCEI). Temperature and precipitation are 1991-2020 normals while humidity and thunderstorms are 1961-1990 normals.

Dallas Weather
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