Austin
Texas, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Austin, TX

The beautiful Lady Bird Lake passing through the city skyscrapers of Austin city, Texas, in a beautiful sunrise panorama
The beautiful Lady Bird Lake passing through the city skyscrapers of Austin city, Texas, in a beautiful sunrise panorama
August is the hottest month in Austin with average temperatures in the hot zone of 75°F (23.9°C) to 97°F (36.1°C). The days are sunny and bright - in fact, middays are scorching, and many days go past 100°F (37.8°C). Nights are warm, mostly above 70°F (21.1°C), and air-conditioners run for most of the day in homes and offices.
Rainfall is to the tune of 2.3" (58.4mm), but the strong sunshine lasts for a daily 9.6 hours. August is notorious for thunderstorms with a 10% chance of a named storm approaching Austin.
The peak of summer is hardly the right time to visit Austin when better holiday times lie ahead.

What is the warmest month in Austin?

With an average high-temperature of 97°F (36.1°C) and an average low-temperature of 74.7°F (23.7°C), August is the warmest month.

What is the temperature in August in Austin?

The average high-temperature, in August, is 97°F (36.1°C), while the average low-temperature is 74.7°F (23.7°C).

What is the least humid month in Austin?

The least humid month is August, with an average relative humidity of 63.8%.

What is the average humidity in August in Austin?

The average relative humidity in August in Austin is 63.8%.

How much does it rain in Austin in August?

In Austin, Texas, in August, during 4.9 rainfall days, 2.4" (59.7mm) of precipitation is typically accumulated.

How many hours of daylight does Austin have in August?

In Austin, Texas, the average length of the day in August is 13.2h.

How long on average sun shines in August in Austin?

In August, the average sunshine in Austin, Texas, is 9.6h.

What is the UV index reading in August in Austin?

In August, the average daily maximum UV index in Austin is 10. A UV Index reading of 8 to 10 represents a very high health risk from the exposure to the Sun's UV radiation.
Average temperature in August - Austin, TX
  • Average high temperature in August: 36.1°C

The warmest month (with the highest average high temperature) is August (36.1°C).
The month with the lowest average high temperature is January (16.4°C).

  • Average low temperature in August: 23.7°C

The month with the highest average low temperature is August (23.7°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).

Average humidity in August - Austin, TX
  • Average humidity in August: 63.8%

The month with the highest relative humidity is May (71.4%).
The month with the lowest relative humidity is August (63.8%).

Average rainfall in August - Austin, TX
  • Average rainfall in August: 59.7mm

The wettest month (with the highest rainfall) is May (112.8mm).
The driest month (with the lowest rainfall) is July (47.8mm).

Average rainfall days in August - Austin, TX
  • Average rainfall days in August: 4.9 days

The month with the highest number of rainy days is March (9.2 days).
The month with the lowest number of rainy days is August (4.9 days).

Average snowfall in August - Austin, TX
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (10.2mm).
Months with the lowest snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in August - Austin, TX
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (0.3 days).
Months with the lowest number of snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in August / Average sunshine in August - Austin, TX
  • Average daylight in August: 13.2h

The month with the longest days is June (Average daylight: 14.1h).
The month with shortest days is December (Average daylight: 10.2h).

  • Average sunshine in August: 9.6h

The month with most sunshine is July (Average sunshine: 10.2h).
The month with least sunshine is December (Average sunshine: 5h).

Average UV index in August - Austin, TX
  • Average UV index in August: 10

Months with the highest UV index are June and July (UV index 11).
Months with the lowest UV index are January and December (UV index 4).