July Weather in Charleston, Australia

Last updated: August 22, 2025

In July, the average temperature in Charleston, Australia hovers around 9°C (49°F). Expect a chilly minimum of 0°C (32°F) and a pleasantly warm maximum of 21°C (70°F). During this time, precipitation is about 53 mm (2.1 in) over 10 days, while the average humidity sits at a comfortable 76%.

July Temperature in Charleston

In July in Charleston, the average temperature is 9°C (49°F), with maximums reaching 21°C (70°F) and minimums dipping as low as 0°C (32°F). This makes it a great time for travelers to enjoy a mix of mild days and cool nights, perfect for exploration.

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

The chart illustrates July temperature patterns in Charleston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Charleston, July typically has an average temperature of 9°C (49°F), with highs reaching up to 21°C (70°F) and lows dropping to around 0°C (32°F).

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

July Precipitation in Charleston

In Charleston in July, the precipitation amount is 53 mm (2.1 in) spread over a duration of 10 days.

July Precipitation Trends in Charleston

The chart displays monthly precipitation patterns in 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 Charleston, July typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 10 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 Charleston

In Charleston in July, humidity is 76%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace, making outdoor adventures a bit uncomfortable as the dampness seeps into your clothes and lingers in the air, often leading to a sense of coolness that can be refreshing but also dampens the joy of exploration.

July Average Humidity in Charleston

This chart illustrates the average monthly humidity levels in 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 Charleston is approximately 76%, 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 Charleston

In Charleston in July, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Charleston for better planning.

Maximum UV Index Levels in Charleston for July

The chart shows the monthly maximum UV Index (UVI) for 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 Charleston typically reaches 4, which falls under the moderate exposure category.

Data source: 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 Charleston Compares to Other Months

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

This table compares monthly weather conditions in Charleston, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (69°F)	17 mm (0.7 inches)	41%	extreme
February Weather	19°C (66°F)	22 mm (0.9 inches)	46%	extreme
March Weather	18°C (65°F)	11 mm (0.4 inches)	55%	extreme
April Weather	15°C (60°F)	26 mm (1.0 inches)	66%	very high
May Weather	12°C (53°F)	39 mm (1.5 inches)	73%	moderate
June Weather	9°C (49°F)	42 mm (1.7 inches)	76%	moderate
July Weather	9°C (49°F)	53 mm (2.1 inches)	76%	moderate
August Weather	9°C (49°F)	65 mm (2.6 inches)	70%	moderate
September Weather	11°C (53°F)	40 mm (1.6 inches)	65%	very high
October Weather	14°C (57°F)	38 mm (1.5 inches)	51%	very high
November Weather	17°C (62°F)	44 mm (1.7 inches)	50%	extreme
December Weather	19°C (66°F)	18 mm (0.7 inches)	46%	extreme