January Weather in Brook, United States

Last updated: June 24, 2025

In Brook, United States, the average temperature in January hovers around -2°C (28°F), with extreme lows plunging to -28°C (-19°F) and highs reaching up to 18°C (65°F). Expect a precipitation amount of 73 mm (2.9 in) spread over approximately 8 days, and be prepared for a high average humidity of 85%.

January Temperature in Brook

In January in Brook, the average temperature is -2°C (28°F). Maximums can reach 18°C (65°F) and minimums can be as low as -28°C (-19°F). Be prepared for a wide range of temperatures, making it essential to pack accordingly for your travels.

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

The chart illustrates January temperature patterns in Brook, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brook, January typically has an average temperature of -2°C (28°F), with highs reaching up to 18°C (65°F) and lows dropping to around -28°C (-19°F).

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

January Precipitation in Brook

In Brook in January, the precipitation amount is 73 mm (2.9 in) over a span of 8 days.

January Precipitation Trends in Brook

The chart displays monthly precipitation patterns in Brook, 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 Brook, January typically receives around 73 mm (2.9 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 Brook

In Brook in January, humidity is 85%. With an average temperature of -2°C (28°F), this humidity feels like an icy grip that clings uncomfortably to your skin, making every step feel heavier and hastening the chill that seeps into your bones, discouraging long outdoor excursions and leaving you yearning for warmth and shelter.

January Average Humidity in Brook

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

In Brook 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 Brook, you can check the information here.

Maximum UV Index Levels in Brook for January

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

Data source: Brook 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 Brook Compares to Other Months

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

This table compares monthly weather conditions in Brook, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (28°F)	73 mm (2.9 inches)	85%	moderate
February Weather	-1°C (30°F)	75 mm (3.0 inches)	85%	moderate
March Weather	5°C (42°F)	104 mm (4.1 inches)	86%	high
April Weather	10°C (51°F)	106 mm (4.2 inches)	87%	very high
May Weather	17°C (64°F)	156 mm (6.1 inches)	81%	very high
June Weather	23°C (74°F)	109 mm (4.3 inches)	82%	very high
July Weather	25°C (76°F)	105 mm (4.2 inches)	81%	very high
August Weather	23°C (74°F)	108 mm (4.2 inches)	79%	very high
September Weather	21°C (69°F)	68 mm (2.7 inches)	78%	very high
October Weather	14°C (57°F)	122 mm (4.8 inches)	81%	high
November Weather	5°C (41°F)	73 mm (2.9 inches)	89%	moderate
December Weather	1°C (35°F)	60 mm (2.3 inches)	86%	low