January Weather in Wiscon, United States

Last updated: June 24, 2025

In January, the average temperature in Wiscon, United States hovers around 15°C (60°F). Temperatures can vary significantly, with a minimum dip to -4°C (25°F) and a maximum rise to 29°C (84°F). Expect about 46 mm (1.8 in) of precipitation spread over 4 days, coupled with a high average humidity of 83%. Get ready for a month of diverse weather!

January Temperature in Wiscon

In January in Wiscon, the average temperature is 15°C (60°F), with maximums reaching up to 29°C (84°F) and minimums dropping as low as -4°C (25°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack layers for comfort during their stay.

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

The chart illustrates January temperature patterns in Wiscon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wiscon, January typically has an average temperature of 15°C (60°F), with highs reaching up to 29°C (84°F) and lows dropping to around -4°C (25°F).

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

January Precipitation in Wiscon

In Wiscon in January, the precipitation amount is 46 mm (1.8 in) over the course of 4 days.

January Precipitation Trends in Wiscon

The chart displays monthly precipitation patterns in Wiscon, 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 Wiscon, January typically receives around 46 mm (1.8 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 Wiscon

In Wiscon in January humidity is 83%. With an average temperature of 15°C (60°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable and sticky, as the air clings to your skin and dampens your clothes.

January Average Humidity in Wiscon

This chart illustrates the average monthly humidity levels in Wiscon, 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 Wiscon is approximately 83%, 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 Wiscon

In Wiscon in January, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Wiscon, you can refer to this Hourly UV Index in Wiscon.

Maximum UV Index Levels in Wiscon for January

The chart shows the monthly maximum UV Index (UVI) for Wiscon 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 Wiscon typically reaches 6, which falls under the high exposure category.

Data source: Wiscon 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 Wiscon Compares to Other Months

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

This table compares monthly weather conditions in Wiscon, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (60°F)	46 mm (1.8 inches)	83%	high
February Weather	18°C (66°F)	66 mm (2.6 inches)	82%	very high
March Weather	20°C (67°F)	22 mm (0.9 inches)	78%	very high
April Weather	22°C (72°F)	78 mm (3.1 inches)	77%	extreme
May Weather	25°C (78°F)	124 mm (4.9 inches)	75%	extreme
June Weather	27°C (80°F)	217 mm (8.6 inches)	76%	extreme
July Weather	27°C (81°F)	301 mm (11.9 inches)	79%	extreme
August Weather	27°C (82°F)	265 mm (10.4 inches)	78%	extreme
September Weather	27°C (81°F)	183 mm (7.2 inches)	83%	extreme
October Weather	25°C (77°F)	86 mm (3.4 inches)	81%	very high
November Weather	20°C (68°F)	52 mm (2.1 inches)	83%	high
December Weather	17°C (63°F)	79 mm (3.1 inches)	86%	moderate