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October Weather in South Chicago, United States

Last updated: June 24, 2025

In October, the average temperature in South Chicago, United States hovers around 13°C (56°F). Expect a minimum of 3°C (37°F) and a potential maximum of 26°C (80°F). During this month, anticipate 170 mm (6.7 in) of precipitation spread over 15 days, with an average humidity of 82%. Stay prepared for varying weather conditions!

October Temperature in South Chicago

In October in South Chicago, the average temperature is 13°C (56°F). Maximums can reach up to 26°C (80°F), while minimums can drop as low as 3°C (37°F). This variation makes South Chicago an ideal destination for travelers seeking mild weather and the chance to enjoy outdoor activities.

October Weather in South Chicago: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in South Chicago, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Chicago, October typically has an average temperature of 13°C (56°F), with highs reaching up to 26°C (80°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec282937435466727368564135
Data source: Temperature data for South Chicago 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 South Chicago

In South Chicago in October, the total precipitation amount is 170 mm (6.7 in) over the course of 15 days.

October Precipitation Trends in South Chicago

The chart displays monthly precipitation patterns in South Chicago, 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 South Chicago, October typically receives around 170 mm (6.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec91891111321631337772761709086
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in South Chicago

In South Chicago in October, humidity is 82%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it feel much cooler than it is and creating a heavy atmosphere that can be exhausting for travelers.

October Average Humidity in South Chicago

This chart illustrates the average monthly humidity levels in South Chicago, 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 South Chicago is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in South Chicago

In South Chicago 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 South Chicago, you can refer to this Hourly UV Index in South Chicago.

Maximum UV Index Levels in South Chicago for October

The chart shows the monthly maximum UV Index (UVI) for South Chicago 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 South Chicago typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: South Chicago 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 South Chicago Compares to Other Months

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

This table compares monthly weather conditions in South Chicago, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)91 mm (3.6 inches)82%moderate
February Weather-2°C (30°F)89 mm (3.5 inches)83%moderate
March Weather3°C (37°F)111 mm (4.4 inches)84%high
April Weather6°C (44°F)132 mm (5.2 inches)85%very high
May Weather12°C (54°F)163 mm (6.4 inches)79%very high
June Weather19°C (66°F)133 mm (5.2 inches)82%very high
July Weather22°C (73°F)77 mm (3.0 inches)80%very high
August Weather23°C (73°F)72 mm (2.9 inches)81%very high
September Weather20°C (68°F)76 mm (3.0 inches)80%very high
October Weather13°C (56°F)170 mm (6.7 inches)82%high
November Weather5°C (42°F)90 mm (3.6 inches)88%moderate
December Weather2°C (35°F)86 mm (3.4 inches)84%low

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