January Weather in Black River, United States

Last updated: June 24, 2025

In January, the average temperature in Black River, United States reaches a chilly -6°C (21°F), with extremes that can dip to a frigid -33°C (-27°F) and only rise to a mild 14°C (58°F). Rain or snow is likely, as the area receives an average of 100 mm (3.9 in) of precipitation spread over 14 days. Coupled with a high average humidity of 90%, it's essential to bundle up and prepare for the damp cold!

January Temperature in Black River

In January in Black River, the average temperature is -6°C (21°F). Maximum temperatures can reach up to 14°C (58°F), while minimums can drop as low as -33°C (-27°F). Be prepared for a wide range of temperatures when traveling during this month!

January Weather in Black River: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Black River, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Black River, January typically has an average temperature of -6°C (21°F), with highs reaching up to 14°C (58°F) and lows dropping to around -33°C (-27°F).

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

January Precipitation in Black River

In Black River in January, the total precipitation amount is 100 mm (3.9 in) spread over 14 days.

January Precipitation Trends in Black River

The chart displays monthly precipitation patterns in Black River, 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 Black River, January typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 14 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 Black River

In Black River in January humidity is 90%. With an average temperature of -6°C (21°F), this humidity feels like a heavy, icy mist that clings to your skin, making every breath feel sharp and cold, which can be quite challenging for traveling.

January Average Humidity in Black River

This chart illustrates the average monthly humidity levels in Black River, 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 Black River is approximately 90%, 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 Black River

In Black River 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 Black River, you can visit Hourly UV Index in Black River.

Maximum UV Index Levels in Black River for January

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

Data source: Black River 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 Black River Compares to Other Months

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

This table compares monthly weather conditions in Black River, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	100 mm (3.9 inches)	90%	low
February Weather	-4°C (24°F)	94 mm (3.7 inches)	90%	moderate
March Weather	0°C (31°F)	95 mm (3.7 inches)	87%	high
April Weather	6°C (44°F)	127 mm (5.0 inches)	88%	very high
May Weather	14°C (57°F)	112 mm (4.4 inches)	82%	very high
June Weather	18°C (65°F)	117 mm (4.6 inches)	79%	very high
July Weather	21°C (71°F)	169 mm (6.7 inches)	78%	very high
August Weather	20°C (69°F)	126 mm (5.0 inches)	76%	very high
September Weather	16°C (62°F)	84 mm (3.3 inches)	78%	high
October Weather	10°C (51°F)	169 mm (6.6 inches)	84%	moderate
November Weather	2°C (36°F)	131 mm (5.2 inches)	89%	moderate
December Weather	-3°C (27°F)	110 mm (4.3 inches)	86%	low