August Weather in Austin, United States

Last updated: June 24, 2025

In August, the average temperature in Austin, United States is a pleasant 24°C (76°F). This month can see a range from a cool 13°C (55°F) to a warm 35°C (95°F). You'll experience about 95 mm (3.8 in) of precipitation over 11 days, contributing to an average humidity of 70%. Perfect weather for enjoying the outdoors!

August Temperature in Austin

In August in Austin, the average temperature is 24°C (76°F). Maximums can reach 35°C (95°F) and minimums can be as low as 13°C (55°F). It's an ideal time for travelers seeking pleasant weather and a variety of outdoor activities.

August Weather in Austin: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Austin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Austin, August typically has an average temperature of 24°C (76°F), with highs reaching up to 35°C (95°F) and lows dropping to around 13°C (55°F).

Data source: Temperature data for Austin generated using information from the Copernicus Climate Change Service.

August Precipitation in Austin

In Austin in August, the precipitation amount is 95 mm (3.8 in) spread over 11 days.

August Precipitation Trends in Austin

The chart displays monthly precipitation patterns in Austin, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Austin, August typically receives around 95 mm (3.8 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Austin

In Austin in August, humidity is 70%. With an average temperature of 24°C (76°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel a bit sticky and heavier, so travelers should stay hydrated and take regular breaks to enjoy the sights comfortably.

August Average Humidity in Austin

This chart illustrates the average monthly humidity levels in Austin, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Austin is approximately 70%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Austin

In Austin in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Austin.

Maximum UV Index Levels in Austin for August

The chart shows the monthly maximum UV Index (UVI) for Austin in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Austin typically reaches 9, which falls under the very high exposure category.

Data source: Austin August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How August Weather in Austin Compares to Other Months

Weather in Austin varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Austin, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Austin, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	83 mm (3.3 inches)	87%	moderate
February Weather	3°C (38°F)	114 mm (4.5 inches)	85%	moderate
March Weather	8°C (47°F)	136 mm (5.4 inches)	86%	high
April Weather	13°C (55°F)	133 mm (5.3 inches)	84%	very high
May Weather	19°C (67°F)	127 mm (5.0 inches)	79%	very high
June Weather	24°C (75°F)	136 mm (5.4 inches)	82%	extreme
July Weather	26°C (78°F)	92 mm (3.6 inches)	79%	very high
August Weather	24°C (76°F)	95 mm (3.8 inches)	70%	very high
September Weather	22°C (72°F)	95 mm (3.7 inches)	69%	very high
October Weather	15°C (60°F)	97 mm (3.8 inches)	76%	high
November Weather	7°C (45°F)	94 mm (3.7 inches)	88%	moderate
December Weather	4°C (40°F)	102 mm (4.0 inches)	87%	moderate