August Weather in North Charleston, United States

Last updated: June 24, 2025

In August, the average temperature in North Charleston, United States hovers around 27°C (81°F), offering a warm climate for visitors. Expect temperatures to range from a comfortable 21°C (70°F) to a sizzling 35°C (95°F). However, prepare for 183 mm (7.2 in) of precipitation over 21 days, making it a moist month with 81% humidity.

August Temperature in North Charleston

In August in North Charleston, the average temperature is 27°C (81°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 21°C (70°F). This pleasant climate makes it an ideal destination for travelers seeking warm weather and outdoor activities.

August Weather in North Charleston: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in North Charleston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In North Charleston, August typically has an average temperature of 27°C (81°F), with highs reaching up to 35°C (95°F) and lows dropping to around 21°C (70°F).

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

August Precipitation in North Charleston

In North Charleston in August, the total precipitation amount is 183 mm (7.2 in) spread over 21 days.

August Precipitation Trends in North Charleston

The chart displays monthly precipitation patterns in North Charleston, 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 North Charleston, August typically receives around 183 mm (7.2 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 North Charleston

In North Charleston 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 North Charleston

This chart illustrates the average monthly humidity levels in North Charleston, 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 North Charleston 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 North Charleston

In North Charleston 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 North Charleston.

Maximum UV Index Levels in North Charleston for August

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

Data source: North Charleston 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 North Charleston Compares to Other Months

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

This table compares monthly weather conditions in North Charleston, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	59 mm (2.3 inches)	86%	moderate
February Weather	14°C (57°F)	78 mm (3.1 inches)	81%	high
March Weather	15°C (60°F)	60 mm (2.4 inches)	81%	very high
April Weather	19°C (66°F)	101 mm (4.0 inches)	79%	very high
May Weather	23°C (74°F)	87 mm (3.4 inches)	75%	extreme
June Weather	26°C (79°F)	150 mm (5.9 inches)	75%	extreme
July Weather	28°C (82°F)	187 mm (7.4 inches)	80%	extreme
August Weather	27°C (81°F)	183 mm (7.2 inches)	81%	extreme
September Weather	26°C (78°F)	176 mm (6.9 inches)	83%	very high
October Weather	22°C (72°F)	79 mm (3.1 inches)	78%	very high
November Weather	15°C (59°F)	92 mm (3.6 inches)	85%	high
December Weather	12°C (54°F)	127 mm (5.0 inches)	87%	moderate