January Weather in Marion, United States

Last updated: June 24, 2025

In January, the average temperature in Marion, United States hovers around -6°C (22°F), with a chill that can plunge to a minimum of -27°C (-16°F). However, warmer days can reach up to 13°C (55°F). Expect 55 mm (2.2 in) of precipitation over about 10 days, contributing to the high average humidity of 87%. Prepare for a brisk and damp month!

January Temperature in Marion

In January in Marion, the average temperature is -6°C (22°F), with a maximum that can reach 13°C (55°F) and a minimum as low as -27°C (-16°F). Travelers should be prepared for chilly weather, with a significant range in daily temperatures.

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

The chart illustrates January 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, January typically has an average temperature of -6°C (22°F), with highs reaching up to 13°C (55°F) and lows dropping to around -27°C (-16°F).

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

January Precipitation in Marion

In Marion in January, the precipitation amount is 55 mm (2.2 in) spread over a duration of 10 days.

January Precipitation Trends in Marion

The chart displays monthly precipitation patterns in Marion, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Marion, January typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 10 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Marion

In Marion in January, humidity is 87%. With an average temperature of -6°C (22°F), this humidity feels like a chilling weight on your skin, making traveling quite uncomfortable as you face an icy dampness that seeps into your layers, amplifying the cold and making every step feel arduous.

January Average Humidity in Marion

This chart illustrates the average monthly humidity levels in Marion, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Marion is approximately 87%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Marion

In Marion in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Marion, you can visit Hourly UV Index in Marion.

Maximum UV Index Levels in Marion for January

The chart shows the monthly maximum UV Index (UVI) for Marion in January, 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 January, the maximum UV index in Marion typically reaches 2, which falls under the low exposure category.

Data source: Marion January 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 January 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 January’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 January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (22°F)	55 mm (2.2 inches)	87%	low
February Weather	-5°C (23°F)	56 mm (2.2 inches)	87%	moderate
March Weather	0°C (33°F)	56 mm (2.2 inches)	86%	moderate
April Weather	6°C (43°F)	97 mm (3.8 inches)	87%	very high
May Weather	14°C (57°F)	116 mm (4.5 inches)	82%	very high
June Weather	19°C (67°F)	112 mm (4.4 inches)	81%	very high
July Weather	22°C (72°F)	83 mm (3.3 inches)	78%	very high
August Weather	21°C (69°F)	96 mm (3.8 inches)	79%	very high
September Weather	17°C (62°F)	90 mm (3.5 inches)	79%	high
October Weather	10°C (50°F)	131 mm (5.2 inches)	82%	moderate
November Weather	2°C (36°F)	58 mm (2.3 inches)	87%	moderate
December Weather	-2°C (28°F)	66 mm (2.6 inches)	86%	low