January Weather in Brown Deer, United States

Last updated: June 24, 2025

In January, the average temperature in Brown Deer, United States hovers around -4°C (24°F). Expect a chill in the air, with minimum temperatures dipping as low as -29°C (-20°F) and highs reaching up to 11°C (52°F). On average, there's 59 mm (2.3 in) of precipitation over 8 days, contributing to a notable 85% humidity level. Prepare for a brisk month filled with frosty days!

January Temperature in Brown Deer

In January in Brown Deer, the average temperature is -4°C (24°F). The maximum can reach 11°C (52°F), while the minimum can drop as low as -29°C (-20°F). Travelers should prepare for a wide range of temperatures and dress warmly for excursions during this chilly month.

January Weather in Brown Deer: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Brown Deer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brown Deer, January typically has an average temperature of -4°C (24°F), with highs reaching up to 11°C (52°F) and lows dropping to around -29°C (-20°F).

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

January Precipitation in Brown Deer

In Brown Deer in January, the total precipitation amount is 59 mm (2.3 in) spread over 8 days.

January Precipitation Trends in Brown Deer

The chart displays monthly precipitation patterns in Brown Deer, 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 Brown Deer, January typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 8 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 Brown Deer

In Brown Deer in January, humidity is 85%. With an average temperature of -4°C (24°F), this humidity feels like a biting chill that penetrates your layers, making outdoor exploration uncomfortable and urging you to seek warm shelter frequently.

January Average Humidity in Brown Deer

This chart illustrates the average monthly humidity levels in Brown Deer, 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 Brown Deer is approximately 85%, 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 Brown Deer

In Brown Deer 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 Brown Deer, you can visit Hourly UV Index in Brown Deer.

Maximum UV Index Levels in Brown Deer for January

The chart shows the monthly maximum UV Index (UVI) for Brown Deer 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 Brown Deer typically reaches 2, which falls under the low exposure category.

Data source: Brown Deer 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 Brown Deer Compares to Other Months

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

This table compares monthly weather conditions in Brown Deer, 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 (24°F)	59 mm (2.3 inches)	85%	low
February Weather	-4°C (25°F)	57 mm (2.2 inches)	85%	moderate
March Weather	2°C (35°F)	68 mm (2.7 inches)	85%	moderate
April Weather	6°C (43°F)	108 mm (4.3 inches)	85%	very high
May Weather	12°C (54°F)	131 mm (5.2 inches)	78%	very high
June Weather	18°C (65°F)	101 mm (4.0 inches)	80%	very high
July Weather	22°C (72°F)	88 mm (3.5 inches)	78%	very high
August Weather	22°C (71°F)	77 mm (3.0 inches)	76%	very high
September Weather	18°C (65°F)	100 mm (3.9 inches)	79%	high
October Weather	11°C (53°F)	119 mm (4.7 inches)	83%	moderate
November Weather	3°C (38°F)	52 mm (2.1 inches)	88%	moderate
December Weather	0°C (32°F)	52 mm (2.1 inches)	81%	low