July Weather in North Charleston, United States

Last updated: June 24, 2025

In North Charleston, United States, the average temperature in July hovers around 28°C (82°F), providing a warm climate perfect for outdoor adventures. Daytime highs can reach up to 34°C (94°F), while nights cool down to a comfortable 20°C (69°F). Expect 187 mm (7.4 in) of rainfall spread over 20 days, contributing to an average humidity of 80% that adds a touch of tropical charm to your visit!

July Temperature in North Charleston

In July in North Charleston, the average temperature is 28°C (82°F). Maximums can reach 34°C (94°F), while minimums can drop to 20°C (69°F). This weather makes it an ideal time for travelers seeking warmth and pleasant conditions for outdoor activities.

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

The chart illustrates July 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, July typically has an average temperature of 28°C (82°F), with highs reaching up to 34°C (94°F) and lows dropping to around 20°C (69°F).

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

July Precipitation in North Charleston

In North Charleston in July, the total precipitation amount is 187 mm (7.4 in) spread over a span of 20 days.

July Precipitation Trends in North Charleston

The chart displays monthly precipitation patterns in North Charleston, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In North Charleston, July typically receives around 187 mm (7.4 inches) of precipitation spread over approximately 20 days.

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

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Millimeters (mm) Inches (in)

July Humidity in North Charleston

In North Charleston in July, humidity is 80%. With an average temperature of 28°C (82°F), this humidity feels like a warm, thick blanket enveloping you, making outdoor activities sweaty and demanding frequent breaks in the shade while traveling.

July Average Humidity in North Charleston

This chart illustrates the average monthly humidity levels in North Charleston, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in North Charleston is approximately 80%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in North Charleston

In North Charleston in July, 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 July

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

Data source: North Charleston July 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 July 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 July’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 July’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