January Weather in Beloit, United States

Last updated: June 24, 2025

In January, the average temperature in Beloit, United States hovers around -1°C (30°F). However, temperatures can drop as low as -25°C (-12°F) and peak at a mild 18°C (65°F). Expect approximately 25 mm (1.0 in) of precipitation spread over 4 days, accompanied by an average humidity level of 74%.

January Temperature in Beloit

In January in Beloit, the average temperature is -1°C (30°F), with maximums reaching 18°C (65°F) and minimums dropping as low as -25°C (-12°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to stay comfortable during their visit.

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

The chart illustrates January temperature patterns in Beloit, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Beloit, January typically has an average temperature of -1°C (30°F), with highs reaching up to 18°C (65°F) and lows dropping to around -25°C (-12°F).

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

January Precipitation in Beloit

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

January Precipitation Trends in Beloit

The chart displays monthly precipitation patterns in Beloit, 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 Beloit, 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.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Beloit

In Beloit in January humidity is 74%. With an average temperature of -1°C (30°F), this humidity feels like a chilling embrace, making travel uncomfortable as your breath fogs in the cold air, and dampness seeps into your clothes, leaving you longing for warmth and comfort.

January Average Humidity in Beloit

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

In Beloit 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 Beloit, you can check the information here.

Maximum UV Index Levels in Beloit for January

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

Data source: Beloit 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 Beloit Compares to Other Months

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

This table compares monthly weather conditions in Beloit, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	25 mm (1.0 inches)	74%	moderate
February Weather	-1°C (31°F)	23 mm (0.9 inches)	78%	moderate
March Weather	7°C (45°F)	73 mm (2.9 inches)	67%	high
April Weather	12°C (54°F)	49 mm (1.9 inches)	70%	very high
May Weather	18°C (65°F)	180 mm (7.1 inches)	82%	very high
June Weather	26°C (78°F)	64 mm (2.5 inches)	81%	extreme
July Weather	27°C (81°F)	82 mm (3.2 inches)	80%	extreme
August Weather	25°C (77°F)	103 mm (4.1 inches)	80%	very high
September Weather	22°C (72°F)	57 mm (2.3 inches)	73%	very high
October Weather	13°C (55°F)	82 mm (3.2 inches)	71%	high
November Weather	6°C (43°F)	23 mm (0.9 inches)	79%	moderate
December Weather	2°C (35°F)	36 mm (1.4 inches)	83%	moderate