August Weather in South Valley, United States

Last updated: June 24, 2025

In August, the average temperature in South Valley, United States hovers around 26°C (78°F), perfect for enjoying the outdoors. Expect a mild minimum of 15°C (58°F) and a warm maximum of 37°C (99°F). During this time, the region experiences a light precipitation of 11 mm (0.4 in) spread over just 3 days, making it a great month to explore without too much rain. Additionally, with an average humidity of 65%, it’s a comfortable time to visit.

August Temperature in South Valley

In August in South Valley, the average temperature is 26°C (78°F). Maximums can reach 37°C (99°F), while minimums can drop as low as 15°C (58°F). This makes South Valley a perfect destination for travelers seeking warm weather and comfortable evenings.

August Weather in South Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in South Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Valley, August typically has an average temperature of 26°C (78°F), with highs reaching up to 37°C (99°F) and lows dropping to around 15°C (58°F).

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

August Precipitation in South Valley

In South Valley in August, the precipitation amount is 11 mm (0.4 in) over the course of 3 days.

August Precipitation Trends in South Valley

The chart displays monthly precipitation patterns in South Valley, 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 South Valley, August typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 3 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in South Valley

In South Valley in August, humidity is 65%. With an average temperature of 26°C (78°F), this humidity feels like a warm, muggy embrace that can make outdoor activities a bit challenging, often leaving travelers feeling sticky and in need of frequent breaks in the shade.

August Average Humidity in South Valley

This chart illustrates the average monthly humidity levels in South Valley, 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 South Valley is approximately 65%, 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 South Valley

In South Valley 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 South Valley.

Maximum UV Index Levels in South Valley for August

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

Data source: South Valley 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 South Valley Compares to Other Months

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

This table compares monthly weather conditions in South Valley, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (37°F)	16 mm (0.6 inches)	78%	moderate
February Weather	5°C (41°F)	17 mm (0.7 inches)	79%	high
March Weather	10°C (50°F)	13 mm (0.5 inches)	66%	very high
April Weather	15°C (59°F)	14 mm (0.6 inches)	60%	extreme
May Weather	20°C (68°F)	8 mm (0.3 inches)	57%	extreme
June Weather	25°C (78°F)	10 mm (0.4 inches)	55%	extreme
July Weather	26°C (80°F)	24 mm (0.9 inches)	56%	extreme
August Weather	26°C (78°F)	11 mm (0.4 inches)	65%	extreme
September Weather	22°C (72°F)	24 mm (0.9 inches)	72%	extreme
October Weather	14°C (58°F)	24 mm (1.0 inches)	78%	very high
November Weather	8°C (47°F)	14 mm (0.6 inches)	81%	moderate
December Weather	3°C (38°F)	11 mm (0.4 inches)	79%	moderate