Austin Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Austin, Texas during each month of the year.

The average high and low temperatures are listed below by month and annually for Austin, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 70, 80 or 90 °F each month in Austin, scroll down farther. There are also counts of nights with warm temperatures and days with cold weather.

The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1981 to 2010 weather.

10-year temperature averages for Austin, 2010 to 2019
High °F Low °F   High °C Low °C
63 41 January 17 5
67 46 February 19 8
75 53 March 24 11
81 59 April 27 15
87 67 May 31 19
94 74 June 35 23
98 76 July 36 24
100 76 August 38 25
93 72 September 34 22
83 61 October 29 16
72 50 November 22 10
64 44 December 18 7
81 60 Year 27 15
30-year temperature averages for Austin, 1981 to 2010
High °F Low °F   High °C Low °C
62 42 January 16 5
65 45 February 18 7
72 51 March 22 11
80 59 April 27 15
87 67 May 30 19
92 72 June 33 22
96 74 July 35 24
97 75 August 36 24
91 69 September 33 21
82 61 October 28 16
71 51 November 22 10
63 42 December 17 6
80 59 Year 27 15

Days of Hot Weather in Austin

Austin averages 16 days a year when temperatures reach 100 °F or more. Heatwaves with temperatures in the 100s typically occur anytime from June to September.

Most summer days get to a least 90 degrees. And from April to October, Austin's temperature typically never goes lower than 40 °F.

Days per month in Austin of at least 70, 80 or 90 °F
  70 °F
21 °C
80 °F
27 °C
90 °F
32 °C
January 8 1 0
February 11 2 0
March 20 7 0
April 27 16 2
May 31 27 9
June 30 30 21
July 31 31 28
August 31 31 29
September 30 28 18
October 29 20 4
November 18 6 0
December 9 1 0
Year 274 199 111
Average number of days monthly in Austin that stay above 50, 60 or 70 °F
  50 °F
10 °C
60 °F
16 °C
70 °F
21 °C
January 6 2 0
February 8 2 0
March 17 6 0
April 26 14 2
May 31 27 10
June 30 30 22
July 31 31 30
August 31 31 29
September 30 28 17
October 28 17 4
November 15 6 1
December 7 2 0
Year 258 193 115

How Often Austin Has Cold Temperatures

About half of winter nights in Austin dip to 40 °F or less. On average, 12 nights from December to March have freezing temperatures, with one night dropping as low as 20 degrees.

Austin normally sees just one day each winter when the temperature doesn't rise above freezing.

References

Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Month and Year, Version 1.0. NOAA National Centers for Environmental Information.

NOAA National Centers for Environmental Information. 1981-2010 U.S. Climate Normals. (Data Access. FTP.)

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