Austin Weather Averages

The weather at Austin, Texas ranges from hot summers to mild winters. Outside of summer's heat, the city enjoys pleasant temperatures and sunny skies for most of the year.

This page gives detailed information on the annual weather averages for Austin.

You can jump directly to data and descriptions for:

The numbers here are historical averages based on climate data gathered at Camp Mabry, located at few miles from downtown Austin.

Temperature Weather iconTemperature

80 °F annual average high 27 °C
59 °F annual average low 15 °C

Austin's coldest days of the year usually occur in early January when the daily maximum temperature averages 61 degrees Fahrenheit (16 degrees Celsius) and the minimum averages 41 °F (5 °C).

The year's hottest days are normally in mid August. The average temperature peaks then with daily highs of 98 °F (37 °C) and nighttime lows of 75 °F (24 °C).

199 days 80 °F max. or more (27 °C)
45 days 40 °F min. or less (4 °C)

Austin averages 111 days a year when the temperatures reaches into the 90s °F (over 32 °C). Typically on 16 of those days the thermometer soars into the 100s (over 38 °C).

The temperature dips to freezing or below on an average of 12 nights a year. But Austin doesn't get as cold as 20 °F (-8 °C) every year.

Rainy Weather iconPrecipitation

34.2 in total precipitation 870 mm
88 days of rain or snowfall

May is usually the wettest month of the year in Austin, while July is the driest.

Snowy Weather iconSnow

0.6 in total snowfall 1.5 cm
1 day with new snow

It doesn't snow every year in Austin. When snow does fall, it usually happens in January or February.

Sunny Weather iconSun

60 % sunshine
115 days clear skies

The sun's rays reach the ground in Austin during 60 percent of daylight hours on average year round, for a total of 2665 hours annually. Typically on 115 days a year the sky is mainly clear, with at most 30 percent cloud cover.

Sunlight in Austin averages 12 hours and 10 minutes a day. The shortest days of the year in mid December have 10 hours and 12 minutes of daylight. The year's longest days in mid June last 14:06 from sunrise to sunset.

Humid Weather iconHumidity

67 % average humidity

The annual average for relative humidity in Austin ranges throughout the day from 84 percent at 6:00 am to 49 percent at 3:00 pm standard time.

Local Time12 am3 am6 am9 am12 pm3 pm6 pm9 pm
Humidity % 75 81 84 73 56 49 53 66

Windy Weather iconWind

8.4 mph wind speed average 13.5 kph

March is usually the windiest month for Austin, and the wind is calmest during September.

Stormy Weather iconStorms

10 days precipitation of 1 inch (25 mm) or more
41 days with thunderstorms a year

Thunderstorms occur most often in May, but can appear over Austin any time of the year.

Although uncommon, major hurricanes have approached within 100 miles (165 km) of Austin during August, September and October.

Reference

These weather data are long-term historical averages provided by the National Climatic Data Center of the United States. The temperature and precipitation numbers are 1981-2010 normals while the humidity and thunderstorm statistics are 1961-1990 normals.

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