January Weather in Superior, United States

Last updated: June 24, 2025

In Superior, United States, the average temperature in January hovers around -4°C (26°F). Expect chilly nights with temperatures plunging as low as -27°C (-17°F), while daytime highs can reach up to 7°C (45°F). This month also brings a fair share of moisture, with 71 mm (2.8 in) of precipitation spread over approximately 13 days. It's worth noting that the average humidity levels sit at a brisk 89%, adding to the wintry chill.

January Temperature in Superior

In January in Superior, the average temperature is -4°C (26°F), with maximums reaching 7°C (45°F) and minimums plummeting to as low as -27°C (-17°F). Travelers should prepare for a cold climate and pack accordingly to stay warm during their visit.

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 -4°C (26°F), with highs reaching up to 7°C (45°F) and lows dropping to around -27°C (-17°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 71 mm (2.8 in) occurring over the course of 13 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 71 mm (2.8 inches) of precipitation spread over approximately 13 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 89%. With an average temperature of -4°C (26°F), this humidity feels like a biting chill that clings to your skin, making every step outdoors feel like traversing through a frosty fog.

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 89%, 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 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 Superior, you can visit Hourly UV Index in Superior.

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 2, which falls under the low 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	-4°C (26°F)	71 mm (2.8 inches)	89%	low
February Weather	-5°C (23°F)	117 mm (4.6 inches)	89%	moderate
March Weather	0°C (33°F)	75 mm (2.9 inches)	87%	high
April Weather	4°C (39°F)	87 mm (3.4 inches)	84%	high
May Weather	10°C (50°F)	84 mm (3.3 inches)	77%	very high
June Weather	14°C (58°F)	65 mm (2.6 inches)	78%	very high
July Weather	19°C (67°F)	20 mm (0.8 inches)	77%	very high
August Weather	19°C (66°F)	29 mm (1.1 inches)	64%	very high
September Weather	13°C (55°F)	41 mm (1.6 inches)	62%	high
October Weather	5°C (41°F)	85 mm (3.4 inches)	79%	moderate
November Weather	1°C (33°F)	95 mm (3.7 inches)	87%	moderate
December Weather	-3°C (27°F)	92 mm (3.6 inches)	90%	low