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October Weather in Carterville, United States

Last updated: June 24, 2025

In Carterville, United States, the average temperature in October hovers around 15°C (60°F). Expect a range of temperatures, with a minimum dipping to -2°C (29°F) and a maximum reaching 32°C (90°F). This month brings about 129 mm (5.1 in) of precipitation spread over 11 days, while the average humidity sits at a comfortable 70%.

October Temperature in Carterville

In October in Carterville, the average temperature is 15°C (60°F). Maximum temperatures can reach up to 32°C (90°F), while minimums can drop as low as -2°C (29°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates October temperature patterns in Carterville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carterville, October typically has an average temperature of 15°C (60°F), with highs reaching up to 32°C (90°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec363850576777807874604742
Data source: Temperature data for Carterville 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 Carterville

In Carterville in October, the precipitation amount is 129 mm (5.1 in) spread over 11 days, indicating a wet period for the area.

October Precipitation Trends in Carterville

The chart displays monthly precipitation patterns in Carterville, 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 Carterville, October typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec74641361311868794110801295446
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Carterville

In Carterville in October humidity is 70%. With an average temperature of 15°C (60°F), this humidity feels like a warm, sticky embrace that can quickly lead to discomfort while traveling, making it important to stay hydrated and take breaks in the shade.

October Average Humidity in Carterville

This chart illustrates the average monthly humidity levels in Carterville, 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 Carterville is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%76%78%83%83%78%68%64%70%83%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Carterville

In Carterville 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 Carterville.

Maximum UV Index Levels in Carterville for October

The chart shows the monthly maximum UV Index (UVI) for Carterville 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 Carterville typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Carterville 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 Carterville Compares to Other Months

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

This table compares monthly weather conditions in Carterville, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)74 mm (2.9 inches)81%moderate
February Weather3°C (38°F)64 mm (2.5 inches)78%high
March Weather10°C (51°F)136 mm (5.4 inches)76%high
April Weather14°C (57°F)131 mm (5.2 inches)78%very high
May Weather20°C (68°F)186 mm (7.3 inches)83%very high
June Weather25°C (78°F)87 mm (3.4 inches)83%extreme
July Weather27°C (81°F)93 mm (3.7 inches)78%extreme
August Weather26°C (78°F)110 mm (4.3 inches)68%very high
September Weather23°C (74°F)80 mm (3.2 inches)64%very high
October Weather15°C (60°F)129 mm (5.1 inches)70%high
November Weather9°C (48°F)54 mm (2.1 inches)83%moderate
December Weather6°C (42°F)46 mm (1.8 inches)87%moderate

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