October Weather in Marion, United States

Last updated: June 24, 2025

In October, the average temperature in Marion, United States hovers around 21°C (70°F). However, be prepared for a temperature range that can drop to a chilly 2°C (37°F) or soar to a scorching 37°C (100°F). Expect some rain during your visit, with an average precipitation of 130 mm (5.1 in) over 8 days, and keep in mind that the average humidity sits at a comfortable 73%.

October Temperature in Marion

In October in Marion, the average temperature is 21°C (70°F). Maximums can reach 37°C (100°F) and minimums can be as low as 2°C (37°F). This wide range of temperatures makes it essential for travelers to pack accordingly to enjoy their visit comfortably.

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 21°C (70°F), with highs reaching up to 37°C (100°F) and lows dropping to around 2°C (37°F).

Data source: Temperature data for Marion generated using information from the Copernicus Climate Change Service.

October Precipitation in Marion

In Marion in October, the total precipitation amount is 130 mm (5.1 in) over a span of 8 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 130 mm (5.1 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

October Humidity in Marion

In Marion in October, humidity is 73%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace that can make outdoor activities feel sweltering, so it's essential to stay hydrated and take breaks in the shade while exploring.

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 73%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	108 mm (4.3 inches)	85%	moderate
February Weather	12°C (55°F)	148 mm (5.8 inches)	84%	high
March Weather	16°C (61°F)	139 mm (5.5 inches)	82%	very high
April Weather	18°C (65°F)	148 mm (5.8 inches)	82%	very high
May Weather	23°C (74°F)	120 mm (4.7 inches)	81%	extreme
June Weather	26°C (79°F)	162 mm (6.4 inches)	77%	extreme
July Weather	27°C (82°F)	115 mm (4.5 inches)	77%	extreme
August Weather	27°C (81°F)	129 mm (5.1 inches)	72%	extreme
September Weather	26°C (78°F)	84 mm (3.3 inches)	73%	very high
October Weather	21°C (70°F)	130 mm (5.1 inches)	73%	very high
November Weather	13°C (55°F)	83 mm (3.3 inches)	85%	high
December Weather	11°C (52°F)	141 mm (5.6 inches)	88%	moderate