October Weather in Charleston, Australia

Last updated: August 22, 2025

In Charleston, Australia, the average temperature in October hovers around 14°C (57°F). However, temperatures can vary significantly, with a minimum of 2°C (35°F) and a scorching maximum of 35°C (96°F). Expect an average precipitation of 38 mm (1.5 in) spread over about 6 days, contributing to a comfortable average humidity of 51%.

October Temperature in Charleston

In October in Charleston, the average temperature is 14°C (57°F). The maximum can reach 35°C (96°F), while the minimum can drop as low as 2°C (35°F). It's advisable to pack layers to ensure comfort during your travels, as temperatures can vary significantly throughout the day.

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

The chart illustrates October 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, October typically has an average temperature of 14°C (57°F), with highs reaching up to 35°C (96°F) and lows dropping to around 2°C (35°F).

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

October Precipitation in Charleston

In Charleston in October, the total precipitation amount is 38 mm (1.5 in) spread over 6 days.

October Precipitation Trends in Charleston

The chart displays monthly precipitation patterns in Charleston, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Charleston, October typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 6 days.

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

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Millimeters (mm) Inches (in)

October Humidity in Charleston

In Charleston in October humidity is 51%. With an average temperature of 14°C (57°F), this humidity feels like a comfortable yet slightly cool climate for traveling, making it ideal for outdoor exploration without excessive heat or discomfort.

October Average Humidity in Charleston

This chart illustrates the average monthly humidity levels in Charleston, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Charleston is approximately 51%, offering insight into how humid the weather typically is during this month.

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

October UV Index in Charleston

In Charleston in October, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Charleston.

Maximum UV Index Levels in Charleston for October

The chart shows the monthly maximum UV Index (UVI) for Charleston in October, 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 October, the maximum UV index in Charleston typically reaches 10, which falls under the very high exposure category.

Data source: Charleston October 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 October 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 October’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 October’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