August Weather in Keller, United States

Last updated: June 24, 2025

In August, the average temperature in Keller, United States reaches a warm 29°C (85°F), with a minimum of 19°C (67°F) and soaring up to a maximum of 41°C (105°F). Visitors can expect 87 mm (3.4 in) of precipitation spread over 7 days, contributing to an average humidity of 66%. Perfect for those who enjoy a tropical climate!

August Temperature in Keller

In August in Keller, the average temperature is 29°C (85°F), with maximums reaching up to 41°C (105°F) and minimums dropping as low as 19°C (67°F). Be prepared for warm conditions, and make sure to stay hydrated during your travels!

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

The chart illustrates August temperature patterns in Keller, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Keller, August typically has an average temperature of 29°C (85°F), with highs reaching up to 41°C (105°F) and lows dropping to around 19°C (67°F).

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

August Precipitation in Keller

In Keller in August, the precipitation amount is 87 mm (3.4 in) over a span of 7 days.

August Precipitation Trends in Keller

The chart displays monthly precipitation patterns in Keller, 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 Keller, August typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 7 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 Keller

In Keller in August, humidity is 66%. With an average temperature of 29°C (85°F), this humidity feels like a warm, heavy blanket wrapping around you, making traveling feel more intense as you navigate through the air, often causing you to sweat and seek shade more frequently.

August Average Humidity in Keller

This chart illustrates the average monthly humidity levels in Keller, 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 Keller is approximately 66%, 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 Keller

In Keller in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Keller.

Maximum UV Index Levels in Keller for August

The chart shows the monthly maximum UV Index (UVI) for Keller 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 Keller typically reaches 11, which falls under the extreme exposure category.

Data source: Keller 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 Keller Compares to Other Months

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

This table compares monthly weather conditions in Keller, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	52 mm (2.0 inches)	80%	moderate
February Weather	9°C (49°F)	89 mm (3.5 inches)	79%	high
March Weather	16°C (60°F)	100 mm (3.9 inches)	78%	very high
April Weather	18°C (65°F)	104 mm (4.1 inches)	78%	very high
May Weather	24°C (75°F)	150 mm (5.9 inches)	81%	extreme
June Weather	27°C (82°F)	88 mm (3.5 inches)	78%	extreme
July Weather	30°C (85°F)	40 mm (1.6 inches)	73%	extreme
August Weather	29°C (85°F)	87 mm (3.4 inches)	66%	extreme
September Weather	26°C (79°F)	79 mm (3.1 inches)	65%	very high
October Weather	20°C (68°F)	133 mm (5.2 inches)	72%	very high
November Weather	13°C (56°F)	54 mm (2.1 inches)	82%	high
December Weather	11°C (51°F)	52 mm (2.0 inches)	87%	moderate