August Weather in Castle Hills, United States

Last updated: June 24, 2025

In August, the average temperature in Castle Hills, United States reaches a warm 30°C (86°F). However, temperatures can dip as low as 20°C (69°F) and soar as high as 40°C (103°F). During this month, expect about 56 mm (2.2 in) of rainfall spread over approximately 6 days. With an average humidity of 58%, it’s wise to stay hydrated and prepared for the tropical vibes!

August Temperature in Castle Hills

In August in Castle Hills, the average temperature is 30°C (86°F), with maximums reaching up to 40°C (103°F) and minimums dropping to as low as 20°C (69°F). This warm climate makes Castle Hills an ideal destination for travelers seeking sunny adventures and outdoor activities.

August Weather in Castle Hills: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Castle Hills, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castle Hills, August typically has an average temperature of 30°C (86°F), with highs reaching up to 40°C (103°F) and lows dropping to around 20°C (69°F).

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

August Precipitation in Castle Hills

In Castle Hills in August, the precipitation amount is 56 mm (2.2 in) spread over 6 days.

August Precipitation Trends in Castle Hills

The chart displays monthly precipitation patterns in Castle Hills, 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 Castle Hills, August typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 6 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 Castle Hills

In Castle Hills in August, humidity is 58%. With an average temperature of 30°C (86°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities a bit sticky but still enjoyable. Travelers should stay hydrated and take breaks in the shade to fully appreciate the vibrant atmosphere without feeling overwhelmed.

August Average Humidity in Castle Hills

This chart illustrates the average monthly humidity levels in Castle Hills, 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 Castle Hills is approximately 58%, 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 Castle Hills

In Castle Hills 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 Castle Hills.

Maximum UV Index Levels in Castle Hills for August

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

Data source: Castle Hills 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 Castle Hills Compares to Other Months

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

This table compares monthly weather conditions in Castle Hills, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (53°F)	44 mm (1.7 inches)	79%	moderate
February Weather	13°C (55°F)	58 mm (2.3 inches)	79%	very high
March Weather	18°C (65°F)	62 mm (2.5 inches)	74%	very high
April Weather	21°C (70°F)	71 mm (2.8 inches)	76%	extreme
May Weather	25°C (77°F)	130 mm (5.1 inches)	81%	extreme
June Weather	28°C (83°F)	78 mm (3.1 inches)	76%	extreme
July Weather	29°C (85°F)	69 mm (2.7 inches)	66%	extreme
August Weather	30°C (86°F)	56 mm (2.2 inches)	58%	extreme
September Weather	27°C (80°F)	117 mm (4.6 inches)	65%	extreme
October Weather	22°C (72°F)	89 mm (3.5 inches)	74%	very high
November Weather	16°C (61°F)	46 mm (1.8 inches)	81%	high
December Weather	13°C (56°F)	57 mm (2.3 inches)	86%	moderate