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October Weather in Marion, United States

Last updated: June 24, 2025

In October, the average temperature in Marion, United States hovers around 5°C (41°F). Expect a chilly minimum of -19°C (-2°F) and occasional warmth peaking at 25°C (78°F). Rainfall averages about 66 mm (2.6 in) spread over 10 days, contributing to an average humidity of 77%, adding a touch of dampness to the air.

October Temperature in Marion

In October in Marion, the average temperature is 5°C (41°F). The maximum can reach 25°C (78°F), while the minimum can be as low as -19°C (-2°F). Be prepared for diverse weather conditions, ranging from chilly to pleasantly warm, when traveling to Marion in October.

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

The chart illustrates October temperature patterns in Marion, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marion, October typically has an average temperature of 5°C (41°F), with highs reaching up to 25°C (78°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec242032395058676655403227
Data source: Temperature data for Marion 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 Marion

In Marion in October, the precipitation amount is 66 mm (2.6 in) over the course of 10 days.

October Precipitation Trends in Marion

The chart displays monthly precipitation patterns in Marion, 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 Marion, October typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec528253788058213140666870
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Marion

In Marion in October humidity is 77%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making traveling quite uncomfortable unless you're bundled up in warm layers.

October Average Humidity in Marion

This chart illustrates the average monthly humidity levels in Marion, 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 Marion is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%89%85%80%78%77%66%67%77%89%95%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Marion

In Marion in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Marion.

Maximum UV Index Levels in Marion for October

The chart shows the monthly maximum UV Index (UVI) for Marion 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 Marion typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246799997532
Data source: Marion 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 Marion Compares to Other Months

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

This table compares monthly weather conditions in Marion, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)51 mm (2.0 inches)93%low
February Weather-7°C (20°F)82 mm (3.2 inches)92%moderate
March Weather0°C (32°F)53 mm (2.1 inches)89%high
April Weather4°C (39°F)78 mm (3.1 inches)85%high
May Weather10°C (50°F)80 mm (3.2 inches)80%very high
June Weather14°C (58°F)58 mm (2.3 inches)78%very high
July Weather19°C (67°F)21 mm (0.8 inches)77%very high
August Weather19°C (66°F)30 mm (1.2 inches)66%very high
September Weather13°C (55°F)40 mm (1.6 inches)67%high
October Weather5°C (41°F)66 mm (2.6 inches)77%moderate
November Weather0°C (32°F)68 mm (2.7 inches)89%moderate
December Weather-3°C (27°F)70 mm (2.7 inches)95%low

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