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October Weather in Marion, United States

Last updated: June 24, 2025

The average temperature in Marion, United States during October is a pleasant 20°C (68°F). However, temperatures can swing from a chilly 0°C (32°F) to a scorching 38°C (100°F). Rainfall is typical, with an accumulation of 146 mm (5.8 in) over approximately 10 days. Expect a somewhat humid atmosphere, with average humidity levels around 76%.

October Temperature in Marion

In October in Marion, the average temperature is 20°C (68°F), with maximums reaching 38°C (100°F) and minimums dropping to as low as 0°C (32°F). This varied climate makes Marion an appealing destination for travelers seeking both warm and cool experiences.

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 20°C (68°F), with highs reaching up to 38°C (100°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec475160647480838279675551
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 total precipitation amount is 146 mm (5.8 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 146 mm (5.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec120178171188141135991017214675124
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 76%. With an average temperature of 20°C (68°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration both exhilarating and slightly stifling, ideal for leisurely strolls but necessitating frequent breaks to hydrate and cool off.

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 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%80%82%83%80%80%75%73%76%84%88%
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 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 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111211119864
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 Weather8°C (48°F)119 mm (4.7 inches)84%moderate
February Weather10°C (51°F)178 mm (7.0 inches)83%high
March Weather16°C (61°F)171 mm (6.7 inches)80%very high
April Weather18°C (65°F)188 mm (7.4 inches)82%very high
May Weather23°C (74°F)141 mm (5.6 inches)83%extreme
June Weather27°C (81°F)135 mm (5.3 inches)80%extreme
July Weather28°C (83°F)99 mm (3.9 inches)80%extreme
August Weather28°C (83°F)101 mm (4.0 inches)75%extreme
September Weather26°C (79°F)72 mm (2.8 inches)73%very high
October Weather20°C (68°F)146 mm (5.8 inches)76%very high
November Weather13°C (55°F)75 mm (3.0 inches)84%high
December Weather11°C (52°F)124 mm (4.9 inches)88%moderate

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