Austin Weather in March

While March serves up pleasantly warm weather at Austin, Texas, spring also brings some breezy days.

This page gives detailed information on the typical March temperature, precipitation, sun, humidity, wind and storms for Austin. The numbers here are historical averages based on climate data gathered at Camp Mabry, located at few miles from downtown Austin.

Temperature Weather iconTemperature

73 °F March average high 23 °C
52 °F March average low 11 °C
22 days 70 °F max. or more (21 °C)
13 days 50 °F min. or less (10 °C)

The temperature rises nearly every day in March to over 60 degrees Fahrenheit (16 degrees Celsius) in Austin. The city averages 9 days this month when the thermometer reaches into the 80s °F (over 27 °C). Occasionally the temperature climbs as high as 90 °F (32 °C) this time of year.

The thermometer dips to 40 °F (4 °C) or below on an average of 4 nights. But not every March has a night of frost.

Rainy Weather iconRain

2.9 in total precipitation 73 mm
9 days of rain

Half the time, Austin receives 1.3 to 4.1 inches (32 to 103 mm) of rainfall in March. One in four years has drier weather, while another one in four is wetter. None of the precipitation normally falls as snow.

Sunny Weather iconSun

55 % sunshine
9 days clear skies

The sun's rays reach the ground in Austin during 55 percent of daylight hours on average in March, for a total of 205 hours in the month. Typically on 9 days this month the sky is mainly clear, with at most 30 percent cloud cover.

Sunlight in March at Austin lasts for 12 hours a day on average. The shortest day of the month is the 1st with 11 hours and 33 minutes of daylight. By the end of the month, the days have lengthened to 12:28 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 Austin during March usually peaks at 80 percent in the morning then drops to 48 percent by mid afternoon.

Local Time12 am3 am6 am9 am12 pm3 pm6 pm9 pm
Humidity % 71 77 80 71 56 48 49 63

Windy Weather iconWind

9.7 mph March wind speed average 15.6 kph

March is Austin's windiest time of year.

Stormy Weather iconStorms

2 days rainfall of 0.5 inches (13 mm) or more
3 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.

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