January Weather in Superior, United States

Last updated: June 24, 2025

In January, the average temperature in Superior, United States hovers around -2°C (29°F), with extremes ranging from a chilling -27°C (-16°F) to a mild 18°C (64°F). Expect about 27 mm (1.1 in) of precipitation over 4 days, accompanied by an average humidity of 74%. Be prepared for the brisk weather!

January Temperature in Superior

In January in Superior, the average temperature is -2°C (29°F), with maximums reaching 18°C (64°F) and minimums dropping as low as -27°C (-16°F). This wide temperature range means travelers should be prepared for both chilly conditions and occasional warmth when visiting.

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

The chart illustrates January temperature patterns in Superior, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Superior, 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 -27°C (-16°F).

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

January Precipitation in Superior

In Superior in January, the total precipitation amount is 27 mm (1.1 in) over a span of 4 days.

January Precipitation Trends in Superior

The chart displays monthly precipitation patterns in Superior, 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 Superior, January typically receives around 27 mm (1.1 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 Superior

In Superior 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 Superior

This chart illustrates the average monthly humidity levels in Superior, 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 Superior 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 Superior

In Superior 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 Superior, you can check the information here.

Maximum UV Index Levels in Superior for January

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

Data source: Superior 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 Superior Compares to Other Months

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

This table compares monthly weather conditions in Superior, 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)	27 mm (1.1 inches)	74%	moderate
February Weather	-2°C (29°F)	22 mm (0.9 inches)	78%	moderate
March Weather	6°C (43°F)	81 mm (3.2 inches)	67%	high
April Weather	11°C (52°F)	45 mm (1.8 inches)	70%	very high
May Weather	17°C (63°F)	175 mm (6.9 inches)	82%	very high
June Weather	25°C (77°F)	80 mm (3.1 inches)	81%	extreme
July Weather	26°C (80°F)	70 mm (2.8 inches)	80%	extreme
August Weather	24°C (76°F)	84 mm (3.3 inches)	80%	very high
September Weather	22°C (71°F)	68 mm (2.7 inches)	73%	very high
October Weather	12°C (54°F)	89 mm (3.5 inches)	71%	high
November Weather	6°C (42°F)	22 mm (0.9 inches)	79%	moderate
December Weather	1°C (34°F)	39 mm (1.5 inches)	83%	moderate