August Weather in Simpsonville, United States

Last updated: June 24, 2025

In Simpsonville, United States, the average temperature in August hovers around 26°C (79°F), creating a delightful climate for visitors. Expect a range of 15°C (60°F) to 35°C (95°F), offering both cooler and warmer moments to enjoy. However, be prepared for some precipitation, with 128 mm (5.0 in) of rain falling over approximately 15 days. With an average humidity of 74%, this month promises a warm, tropical vibe that is characteristic of this region.

August Temperature in Simpsonville

In August in Simpsonville, the average temperature is 26°C (79°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 15°C (60°F). This pleasant climate makes Simpsonville an ideal destination for travelers looking to enjoy warm and comfortable weather.

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

The chart illustrates August temperature patterns in Simpsonville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Simpsonville, August typically has an average temperature of 26°C (79°F), with highs reaching up to 35°C (95°F) and lows dropping to around 15°C (60°F).

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

August Precipitation in Simpsonville

In Simpsonville in August, the precipitation amount is 128 mm (5.0 in) over the course of 15 days.

August Precipitation Trends in Simpsonville

The chart displays monthly precipitation patterns in Simpsonville, 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 Simpsonville, August typically receives around 128 mm (5.0 inches) of precipitation spread over approximately 15 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 Simpsonville

In Simpsonville in August humidity is 74%. With an average temperature of 26°C (79°F), this humidity feels like a warm, enveloping blanket, making it essential for travelers to stay hydrated and take frequent breaks in shaded areas to fully enjoy the vibrant surroundings.

August Average Humidity in Simpsonville

This chart illustrates the average monthly humidity levels in Simpsonville, 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 Simpsonville is approximately 74%, 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 Simpsonville

In Simpsonville in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Simpsonville.

Maximum UV Index Levels in Simpsonville for August

The chart shows the monthly maximum UV Index (UVI) for Simpsonville 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 Simpsonville typically reaches 10, which falls under the very high exposure category.

Data source: Simpsonville 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 Simpsonville Compares to Other Months

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

This table compares monthly weather conditions in Simpsonville, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (44°F)	93 mm (3.7 inches)	86%	moderate
February Weather	10°C (50°F)	133 mm (5.2 inches)	85%	high
March Weather	12°C (55°F)	105 mm (4.1 inches)	84%	very high
April Weather	17°C (62°F)	121 mm (4.8 inches)	82%	very high
May Weather	21°C (71°F)	137 mm (5.4 inches)	83%	extreme
June Weather	25°C (77°F)	89 mm (3.5 inches)	82%	extreme
July Weather	27°C (80°F)	102 mm (4.0 inches)	80%	extreme
August Weather	26°C (79°F)	128 mm (5.0 inches)	74%	very high
September Weather	23°C (74°F)	131 mm (5.2 inches)	75%	very high
October Weather	18°C (65°F)	117 mm (4.6 inches)	79%	very high
November Weather	11°C (51°F)	95 mm (3.7 inches)	87%	high
December Weather	8°C (47°F)	123 mm (4.8 inches)	87%	moderate