August weather forecast and climate
Austin, TX

The beautiful Lady Bird Lake passing through the city skyscrapers of Austin city, Texas
The beautiful Lady Bird Lake passing through the city skyscrapers of Austin city, Texas

Weather in August

August, the last month of the summer, in Austin, is also a sweltering month, with temperature in the range of an average low of 75.4°F (24.1°C) and an average high of 96.4°F (35.8°C).

Temperature

August is the warmest month, with an average high-temperature of 96.4°F (35.8°C) and an average low-temperature of 75.4°F (24.1°C).

Heat index

In August, the average heat index is calculated to a life-threatening hot 116.6°F (47°C). Be wary - heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'felt air temperature', or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, clothing, pregnancy), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

August is the least humid month in Austin, with an average relative humidity of 59%.

Rainfall

In August, in Austin, Texas, the rain falls for 10.8 days. Throughout August, 1.93" (49mm) of precipitation is accumulated. In Austin, during the entire year, the rain falls for 142.7 days and collects up to 21.5" (546mm) of precipitation.

Snowfall

March through December are months without snowfall in Austin.

Daylight

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

Sunshine

July and August, with an average of 10.3h of sunshine, are months with the most sunshine.

UV index

Months with the highest UV index in Austin are June through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 7 in August interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
[Resources]

FAQ

What is the warmest month in Austin?

The warmest month in Austin, Texas, is August, with an average high-temperature of 96.4°F (35.8°C) and an average low-temperature of 75.4°F (24.1°C).

What is the temperature in August in Austin?

The average high-temperature, in August, in Austin, Texas, is 96.4°F (35.8°C), while the average low-temperature is 75.4°F (24.1°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), that calculates temperature value influenced by the moisture in the air, is estimated at 116.6°F (47°C).

What is the least humid month in Austin?

With an average relative humidity of 59%, August is the least humid month in Austin.

What is the average humidity in August in Austin?

The average relative humidity in August in Austin is 59%.

How much does it rain in Austin in August?

In August, in Austin, Texas, the rain falls for 10.8 days. Throughout August, 1.93" (49mm) of precipitation is accumulated.

When it does not snow in Austin?

March through December are months without snowfall.

How many hours of daylight does Austin have in August?

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

What are the months with the most sunshine in Austin?

Months with the most sunshine in Austin are July and August, with an average of 10.3h of sunshine.

How many hours of sunshine does Austin have in August?

In August, the average sunshine in Austin, Texas, is 10.3h.

What is the month with the highest UV index in Austin?

Months with the highest UV index are June through August, with an average maximum UV index of 7.

What is the UV index intensity in August in Austin?

The average daily maximum UV index in August is 7. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays.

Average temperature in August
Austin, TX

Average temperature in August - Austin, TX
  • Average high temperature in August: 96.4°F

The warmest month (with the highest average high temperature) is August (96.4°F).
The month with the lowest average high temperature is January (59.4°F).

  • Average low temperature in August: 75.4°F

The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (42.6°F).

[Resources]

Average pressure in August
Austin, TX

Average pressure in August - Austin, TX
  • Average pressure in August: 29.93"

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is June (29.91").

[Resources]

Average wind speed in August
Austin, TX

Average wind speed in August - Austin, TX
  • Average wind speed in August: 7mph

The windiest month (with the highest average wind speed) is March (9.2mph).
The calmest month (with the lowest average wind speed) is September (6.2mph).

[Resources]

Average humidity in August
Austin, TX

Average humidity in August - Austin, TX
  • Average humidity in August: 59%

The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (59%).

[Resources]

Average rainfall in August
Austin, TX

Average rainfall in August - Austin, TX
  • Average rainfall in August: 1.93"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.91").

[Resources]

Average rainfall days in August
Austin, TX

Average rainfall days in August - Austin, TX
  • Average rainfall days in August: 10.8 days

The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (8.2 days).

[Resources]

Average snowfall in August
Austin, TX

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

The month with the highest snowfall is January (0.4").
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

[Resources]

Average snowfall days in August
Austin, TX

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

Months with the highest number of snowfall days are January and February (0.3 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).

[Resources]

Average daylight in August /
Average sunshine in August
Austin, TX

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 the shortest days is December (Average daylight: 10.2h).

  • Average sunshine in August: 10.3h

Months with the most sunshine are July and August (Average sunshine: 10.3h).
The month with the least sunshine is December (Average sunshine: 5.3h).

[Resources]

Average sunshine days in August
Austin, TX

Average sunshine days in August - Austin, TX
  • Average sunshine days in August: 16.8 days

The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.1 days).

[Resources]

Average UV index in August
Austin, TX

Average UV index in August - Austin, TX
  • Average UV index in August: 7

Months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

[Resources]

Average cloud cover in August
Austin, TX

Average cloud cover in August - Austin, TX
  • Average cloud cover in August: 24

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 24).

[Resources]

Average visibility in August
Austin, TX

Average visibility in August - Austin, TX
  • Average visibility in August: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]