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October Weather in Summerville, United States

Last updated: June 24, 2025

In Summerville, United States, the average temperature in October is a comfortable 18°C (65°F). However, be prepared for some variability, as temperatures can dip as low as -1°C (31°F) and soar to a sizzling 37°C (99°F). With an average precipitation of 136 mm (5.4 in) over 9 days, and humidity levels hovering around 74%, it's wise to pack accordingly. Enjoy your time in this diverse climate!

October Temperature in Summerville

In October in Summerville, the average temperature is 18°C (65°F). Maximum can reach 37°C (99°F), and minimum can be as low as -1°C (31°F). Be prepared for a wide range of temperatures when traveling to Summerville during this time.

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 18°C (65°F), with highs reaching up to 37°C (99°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec444955627176807875655147
Data source: Temperature data for Summerville generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Summerville

In Summerville in October, the precipitation amount is 136 mm (5.4 in) over a span of 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 136 mm (5.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1231981691539512911313811113689161
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Summerville

In Summerville in October humidity is 74%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can make even short walks feel laborious, leading travelers to seek shade and refreshment more often.

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 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
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 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check 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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111119764
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.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)123 mm (4.8 inches)87%moderate
February Weather10°C (50°F)198 mm (7.8 inches)87%high
March Weather13°C (56°F)169 mm (6.7 inches)85%very high
April Weather16°C (62°F)153 mm (6.0 inches)82%very high
May Weather22°C (71°F)95 mm (3.7 inches)83%extreme
June Weather25°C (76°F)129 mm (5.1 inches)82%extreme
July Weather26°C (80°F)113 mm (4.4 inches)78%extreme
August Weather26°C (79°F)138 mm (5.4 inches)67%extreme
September Weather24°C (75°F)111 mm (4.4 inches)64%very high
October Weather18°C (65°F)136 mm (5.4 inches)74%high
November Weather11°C (51°F)89 mm (3.5 inches)87%high
December Weather8°C (47°F)161 mm (6.3 inches)88%moderate

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