August Weather in Summerville, United States

Last updated: June 24, 2025

In August, the average temperature in Summerville, United States is a delightful 26°C (79°F). Visitors can expect a pleasant range, with minimum temperatures dipping to 16°C (61°F) and highs reaching 36°C (96°F). However, prepare for some rain, as 138 mm (5.4 in) of precipitation may spread across 15 days. Overall, the atmosphere maintains a moderate humidity level of 67%, making it an inviting destination!

August Temperature in Summerville

In August in Summerville, the average temperature is 26°C (79°F), with maximums reaching 36°C (96°F) and minimums dropping to as low as 16°C (61°F). This climate makes Summerville a perfect destination for travelers seeking warm weather and diverse outdoor activities.

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 26°C (79°F), with highs reaching up to 36°C (96°F) and lows dropping to around 16°C (61°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 138 mm (5.4 in) recorded over the course of 15 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 138 mm (5.4 inches) of precipitation spread over approximately 15 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 Summerville

In Summerville in August, humidity is 67%. With an average temperature of 26°C (79°F), this humidity feels like a warm embrace, making outdoor activities somewhat sticky but manageable; it's best to plan sightseeing for the cooler mornings or late afternoons to fully enjoy your travels.

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 67%, 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	7°C (44°F)	123 mm (4.8 inches)	87%	moderate
February Weather	10°C (50°F)	198 mm (7.8 inches)	87%	high
March Weather	13°C (56°F)	169 mm (6.7 inches)	85%	very high
April Weather	16°C (62°F)	153 mm (6.0 inches)	82%	very high
May Weather	22°C (71°F)	95 mm (3.7 inches)	83%	extreme
June Weather	25°C (76°F)	129 mm (5.1 inches)	82%	extreme
July Weather	26°C (80°F)	113 mm (4.4 inches)	78%	extreme
August Weather	26°C (79°F)	138 mm (5.4 inches)	67%	extreme
September Weather	24°C (75°F)	111 mm (4.4 inches)	64%	very high
October Weather	18°C (65°F)	136 mm (5.4 inches)	74%	high
November Weather	11°C (51°F)	89 mm (3.5 inches)	87%	high
December Weather	8°C (47°F)	161 mm (6.3 inches)	88%	moderate