January Weather in Marengo, United States

Last updated: June 24, 2025

In January, the average temperature in Marengo, United States hovers around -6°C (22°F). However, temperatures can swing dramatically, with minimums dipping to -32°C (-25°F) and maximums reaching up to 13°C (55°F). During this month, you can expect an average precipitation of 48 mm (1.9 in) spread over about 7 days, alongside a relatively high humidity level of 81%.

January Temperature in Marengo

In January in Marengo, the average temperature is -6°C (22°F). The maximum can reach 13°C (55°F) while the minimum can drop as low as -32°C (-25°F). Travelers should be prepared for a wide range of temperatures and dress accordingly for the cold.

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

The chart illustrates January temperature patterns in Marengo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marengo, 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 -32°C (-25°F).

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

January Precipitation in Marengo

In Marengo in January, the total precipitation amount is 48 mm (1.9 in) over a span of 7 days.

January Precipitation Trends in Marengo

The chart displays monthly precipitation patterns in Marengo, 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 Marengo, January typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 7 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 Marengo

In Marengo in January, humidity is 81%. With an average temperature of -6°C (22°F), this humidity feels like a biting chill that penetrates layers of clothing, making travel uncomfortable and the air heavy with frost.

January Average Humidity in Marengo

This chart illustrates the average monthly humidity levels in Marengo, 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 Marengo is approximately 81%, 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 Marengo

In Marengo in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Marengo, you can check the information here.

Maximum UV Index Levels in Marengo for January

The chart shows the monthly maximum UV Index (UVI) for Marengo 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 Marengo typically reaches 3, which falls under the moderate exposure category.

Data source: Marengo 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 Marengo Compares to Other Months

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

This table compares monthly weather conditions in Marengo, 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)	48 mm (1.9 inches)	81%	moderate
February Weather	-5°C (24°F)	54 mm (2.1 inches)	81%	moderate
March Weather	4°C (39°F)	78 mm (3.1 inches)	81%	high
April Weather	9°C (49°F)	84 mm (3.3 inches)	82%	very high
May Weather	17°C (62°F)	158 mm (6.2 inches)	78%	very high
June Weather	23°C (74°F)	136 mm (5.4 inches)	81%	extreme
July Weather	24°C (76°F)	79 mm (3.1 inches)	79%	very high
August Weather	23°C (73°F)	64 mm (2.5 inches)	77%	very high
September Weather	20°C (68°F)	123 mm (4.8 inches)	78%	very high
October Weather	11°C (53°F)	137 mm (5.4 inches)	78%	high
November Weather	3°C (38°F)	49 mm (1.9 inches)	87%	moderate
December Weather	-1°C (31°F)	43 mm (1.7 inches)	84%	moderate