August Weather in Summerville, United States

Last updated: June 24, 2025

In August, the average temperature in Summerville, United States hovers around 27°C (81°F), with a minimum of 19°C (66°F) and a soaring maximum of 38°C (100°F). Expect a significant precipitation of 176 mm (6.9 in) spread across 21 days, accompanied by an average humidity of 81%. Stay prepared for a warm and wet month!

August Temperature in Summerville

In August in Summerville, the average temperature is 27°C (81°F). The maximum can reach 38°C (100°F) and the minimum can be as low as 19°C (66°F). It's the perfect time to enjoy outdoor activities and explore the stunning surroundings in comfortable, warm weather.

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

The chart illustrates August temperature patterns in Summerville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Summerville, August typically has an average temperature of 27°C (81°F), with highs reaching up to 38°C (100°F) and lows dropping to around 19°C (66°F).

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

August Precipitation in Summerville

In Summerville in August, the total precipitation amount is 176 mm (6.9 in), distributed over a span of 21 days.

August Precipitation Trends in Summerville

The chart displays monthly precipitation patterns in Summerville, 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 Summerville, August typically receives around 176 mm (6.9 inches) of precipitation spread over approximately 21 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 Summerville

In Summerville in August humidity is 81%. With an average temperature of 27°C (81°F), this humidity feels like a warm, heavy blanket enveloping you, making travel quite uncomfortable as it can quickly drain your energy and require frequent hydration breaks.

August Average Humidity in Summerville

This chart illustrates the average monthly humidity levels in Summerville, 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 Summerville is approximately 81%, 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 Summerville

In Summerville 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 Summerville.

Maximum UV Index Levels in Summerville for August

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

Data source: Summerville 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 Summerville Compares to Other Months

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

This table compares monthly weather conditions in Summerville, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	64 mm (2.5 inches)	86%	moderate
February Weather	13°C (56°F)	92 mm (3.6 inches)	81%	high
March Weather	15°C (60°F)	71 mm (2.8 inches)	81%	very high
April Weather	19°C (66°F)	108 mm (4.2 inches)	79%	very high
May Weather	23°C (74°F)	92 mm (3.6 inches)	75%	extreme
June Weather	26°C (79°F)	156 mm (6.1 inches)	75%	extreme
July Weather	27°C (81°F)	191 mm (7.5 inches)	80%	extreme
August Weather	27°C (81°F)	176 mm (6.9 inches)	81%	extreme
September Weather	25°C (77°F)	146 mm (5.8 inches)	83%	very high
October Weather	21°C (70°F)	75 mm (3.0 inches)	78%	very high
November Weather	14°C (57°F)	70 mm (2.8 inches)	85%	high
December Weather	12°C (53°F)	132 mm (5.2 inches)	87%	moderate