October Weather in Mount Pleasant, United States

Last updated: June 24, 2025

In October, the average temperature in Mount Pleasant, United States is a mild 13°C (55°F). However, temperatures can vary significantly, dipping as low as -5°C (23°F) and soaring up to 32°C (90°F). Expect about 132 mm (5.2 in) of precipitation over 11 days, along with an average humidity of 78%.

October Temperature in Mount Pleasant

In October in Mount Pleasant, the average temperature is 13°C (55°F). Maximum temperatures can reach 32°C (90°F), while minimum temperatures can drop as low as -5°C (23°F). This makes it essential for travelers to pack for a wide range of weather conditions.

October Weather in Mount Pleasant: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Mount Pleasant, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mount Pleasant, October typically has an average temperature of 13°C (55°F), with highs reaching up to 32°C (90°F) and lows dropping to around -5°C (23°F).

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

October Precipitation in Mount Pleasant

In Mount Pleasant in October, the precipitation amount is 132 mm (5.2 in), which occurs over a span of 11 days.

October Precipitation Trends in Mount Pleasant

The chart displays monthly precipitation patterns in Mount Pleasant, 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 Mount Pleasant, October typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Mount Pleasant

In Mount Pleasant in October, humidity is 78%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket enveloping you, making outdoor activities feel steamy and your clothes cling uncomfortably, often leaving you longing for a cool breeze or an air-conditioned escape while exploring.

October Average Humidity in Mount Pleasant

This chart illustrates the average monthly humidity levels in Mount Pleasant, 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 Mount Pleasant is approximately 78%, 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 Mount Pleasant

In Mount Pleasant in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Mount Pleasant, you can refer to this Hourly UV Index in Mount Pleasant.

Maximum UV Index Levels in Mount Pleasant for October

The chart shows the monthly maximum UV Index (UVI) for Mount Pleasant 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 Mount Pleasant typically reaches 6, which falls under the high exposure category.

Data source: Mount Pleasant 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 Mount Pleasant Compares to Other Months

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

This table compares monthly weather conditions in Mount Pleasant, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	54 mm (2.1 inches)	81%	moderate
February Weather	-3°C (27°F)	59 mm (2.3 inches)	81%	moderate
March Weather	5°C (42°F)	92 mm (3.6 inches)	81%	high
April Weather	10°C (51°F)	87 mm (3.4 inches)	82%	very high
May Weather	18°C (64°F)	164 mm (6.5 inches)	78%	very high
June Weather	24°C (75°F)	145 mm (5.7 inches)	81%	extreme
July Weather	25°C (78°F)	72 mm (2.8 inches)	79%	very high
August Weather	24°C (75°F)	72 mm (2.8 inches)	77%	very high
September Weather	21°C (70°F)	110 mm (4.3 inches)	78%	very high
October Weather	13°C (55°F)	132 mm (5.2 inches)	78%	high
November Weather	4°C (40°F)	51 mm (2.0 inches)	87%	moderate
December Weather	1°C (33°F)	46 mm (1.8 inches)	84%	moderate