October Weather in Summerville, United States

Last updated: June 24, 2025

In Summerville, United States, the average temperature in October is a pleasant 21°C (70°F). However, be prepared for a range, as temperatures can dip to a minimum of 2°C (36°F) and soar to a maximum of 35°C (96°F). During this time, expect about 75 mm (3.0 in) of precipitation spread over 9 days, accompanied by an average humidity of 78%, creating a warm and sometimes humid atmosphere.

October Temperature in Summerville

In October in Summerville, the average temperature is 21°C (70°F). Maximums can reach 35°C (96°F), and minimums can be as low as 2°C (36°F). This wide range of temperatures makes Summerville an ideal destination for travelers seeking both warmth and cooler escapes.

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

The chart illustrates October temperature patterns in Summerville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Summerville, October typically has an average temperature of 21°C (70°F), with highs reaching up to 35°C (96°F) and lows dropping to around 2°C (36°F).

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

October Precipitation in Summerville

In Summerville in October, the precipitation amount is 75 mm (3.0 in) distributed over 9 days.

October Precipitation Trends in Summerville

The chart displays monthly precipitation patterns in Summerville, 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 Summerville, October typically receives around 75 mm (3.0 inches) of precipitation spread over approximately 9 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 Summerville

In Summerville in October, humidity is 78%. With an average temperature of 21°C (70°F), this humidity feels like a warm, enveloping blanket that can leave travelers feeling sticky and slightly fatigued, making it important to stay hydrated and take frequent breaks from outdoor activities.

October Average Humidity in Summerville

This chart illustrates the average monthly humidity levels in Summerville, 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 Summerville 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 Summerville

In Summerville in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Summerville.

Maximum UV Index Levels in Summerville for October

The chart shows the monthly maximum UV Index (UVI) for Summerville 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 Summerville typically reaches 8, which falls under the very high exposure category.

Data source: Summerville 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 Summerville Compares to Other Months

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

This table compares monthly weather conditions in Summerville, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	64 mm (2.5 inches)	86%	moderate
February Weather	13°C (56°F)	92 mm (3.6 inches)	81%	high
March Weather	15°C (60°F)	71 mm (2.8 inches)	81%	very high
April Weather	19°C (66°F)	108 mm (4.2 inches)	79%	very high
May Weather	23°C (74°F)	92 mm (3.6 inches)	75%	extreme
June Weather	26°C (79°F)	156 mm (6.1 inches)	75%	extreme
July Weather	27°C (81°F)	191 mm (7.5 inches)	80%	extreme
August Weather	27°C (81°F)	176 mm (6.9 inches)	81%	extreme
September Weather	25°C (77°F)	146 mm (5.8 inches)	83%	very high
October Weather	21°C (70°F)	75 mm (3.0 inches)	78%	very high
November Weather	14°C (57°F)	70 mm (2.8 inches)	85%	high
December Weather	12°C (53°F)	132 mm (5.2 inches)	87%	moderate