January Weather in Mankato, United States

Last updated: June 24, 2025

In January, the average temperature in Mankato, United States hovers around -2°C (29°F). Expect chilly conditions with minimums dropping to -28°C (-19°F) and maximums reaching a mild 18°C (64°F). During this period, precipitation averages 25 mm (1.0 in) over roughly 4 days, all while the air maintains an average humidity of 74%.

January Temperature in Mankato

In January in Mankato, the average temperature is -2°C (29°F). The maximum can reach 18°C (64°F), while the minimum can dip as low as -28°C (-19°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack both warm and lighter clothing for their stay.

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

The chart illustrates January temperature patterns in Mankato, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mankato, January typically has an average temperature of -2°C (29°F), with highs reaching up to 18°C (64°F) and lows dropping to around -28°C (-19°F).

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

January Precipitation in Mankato

In Mankato in January, the precipitation amount is 25 mm (1.0 in) over the course of 4 days.

January Precipitation Trends in Mankato

The chart displays monthly precipitation patterns in Mankato, 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 Mankato, January typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 4 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 Mankato

In Mankato in January humidity is 74%. With an average temperature of -2°C (29°F), this humidity feels like a brisk chill that can seep into your bones, making traveling outdoors quite uncomfortable without proper layers. The combination creates a damp cold that can easily dampen spirits and is best navigated with warm, insulated clothing.

January Average Humidity in Mankato

This chart illustrates the average monthly humidity levels in Mankato, 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 Mankato is approximately 74%, 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 Mankato

In Mankato 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 Mankato, you can check the information here.

Maximum UV Index Levels in Mankato for January

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

Data source: Mankato 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 Mankato Compares to Other Months

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

This table compares monthly weather conditions in Mankato, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	25 mm (1.0 inches)	74%	moderate
February Weather	-2°C (30°F)	21 mm (0.8 inches)	78%	moderate
March Weather	6°C (44°F)	77 mm (3.0 inches)	67%	high
April Weather	11°C (53°F)	45 mm (1.8 inches)	70%	very high
May Weather	18°C (64°F)	176 mm (6.9 inches)	82%	very high
June Weather	25°C (78°F)	71 mm (2.8 inches)	81%	extreme
July Weather	27°C (81°F)	72 mm (2.8 inches)	80%	extreme
August Weather	25°C (77°F)	99 mm (3.9 inches)	80%	very high
September Weather	22°C (72°F)	65 mm (2.6 inches)	73%	very high
October Weather	12°C (55°F)	76 mm (3.0 inches)	71%	high
November Weather	6°C (43°F)	20 mm (0.8 inches)	79%	moderate
December Weather	1°C (34°F)	39 mm (1.6 inches)	83%	moderate