August Weather in Round Rock, United States

Last updated: June 24, 2025

In Round Rock, United States, the average temperature in August hovers around 25°C (78°F). Expect a refreshing minimum of 11°C (52°F), while occasional peaks can reach a sweltering 36°C (98°F). With an average humidity of 44% and only 4 mm (0.2 in) of precipitation over 1 day, it's the perfect time to enjoy outdoor activities!

August Temperature in Round Rock

In August in Round Rock, the average temperature is 25°C (78°F). The maximum can reach 36°C (98°F) and the minimum can be as low as 11°C (52°F). This makes it an ideal time for travelers seeking warm weather while also providing cooler evenings for comfort.

August Weather in Round Rock: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Round Rock, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Round Rock, August typically has an average temperature of 25°C (78°F), with highs reaching up to 36°C (98°F) and lows dropping to around 11°C (52°F).

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

August Precipitation in Round Rock

In Round Rock in August, the precipitation amount is 4 mm (0.2 in) during 1 day.

August Precipitation Trends in Round Rock

The chart displays monthly precipitation patterns in Round Rock, 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 Round Rock, August typically receives around 4 mm (0.2 inches) of precipitation spread over approximately 1 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 Round Rock

In Round Rock in August humidity is 44%. With an average temperature of 25°C (78°F), this humidity feels like a refreshing embrace, making it comfortable for traveling as you can enjoy outdoor activities without feeling overly sticky or drained.

August Average Humidity in Round Rock

This chart illustrates the average monthly humidity levels in Round Rock, 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 Round Rock is approximately 44%, 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 Round Rock

In Round Rock in August, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Round Rock.

Maximum UV Index Levels in Round Rock for August

The chart shows the monthly maximum UV Index (UVI) for Round Rock 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 Round Rock typically reaches 12, which falls under the extreme exposure category.

Data source: Round Rock 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 Round Rock Compares to Other Months

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

This table compares monthly weather conditions in Round Rock, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (33°F)	22 mm (0.9 inches)	85%	moderate
February Weather	3°C (38°F)	22 mm (0.9 inches)	86%	high
March Weather	8°C (46°F)	31 mm (1.2 inches)	76%	very high
April Weather	13°C (55°F)	10 mm (0.4 inches)	69%	extreme
May Weather	17°C (63°F)	14 mm (0.6 inches)	53%	extreme
June Weather	24°C (76°F)	3 mm (0.1 inches)	40%	extreme
July Weather	26°C (80°F)	14 mm (0.5 inches)	36%	extreme
August Weather	25°C (78°F)	4 mm (0.2 inches)	44%	extreme
September Weather	21°C (69°F)	12 mm (0.5 inches)	59%	extreme
October Weather	12°C (54°F)	21 mm (0.8 inches)	74%	very high
November Weather	7°C (44°F)	10 mm (0.4 inches)	83%	high
December Weather	1°C (34°F)	22 mm (0.8 inches)	85%	moderate