January Weather in Brewster, United States

Last updated: June 24, 2025

In Brewster, United States, the average temperature in January hovers around -1°C (30°F). Expect a wide temperature range where the minimum can drop to -23°C (-10°F), while the maximum may reach a comfortable 20°C (69°F). Prepare for precipitation totaling 87 mm (3.4 in) over about 11 days, and don’t forget your umbrella, as the average humidity sits at a muggy 88%!

January Temperature in Brewster

In January in Brewster, the average temperature is -1°C (30°F), with maximums reaching up to 20°C (69°F) and minimums plummeting to as low as -23°C (-10°F). Be prepared for a wide temperature range when traveling to Brewster during this month.

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

The chart illustrates January temperature patterns in Brewster, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brewster, January typically has an average temperature of -1°C (30°F), with highs reaching up to 20°C (69°F) and lows dropping to around -23°C (-10°F).

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

January Precipitation in Brewster

In Brewster in January, the precipitation amount is 87 mm (3.4 in) over the course of 11 days.

January Precipitation Trends in Brewster

The chart displays monthly precipitation patterns in Brewster, 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 Brewster, January typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 11 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 Brewster

In Brewster in January humidity is 88%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that penetrates through your layers, making travel uncomfortable as every gust of wind becomes a sharp reminder of the cold and damp air surrounding you.

January Average Humidity in Brewster

This chart illustrates the average monthly humidity levels in Brewster, 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 Brewster is approximately 88%, 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 Brewster

In Brewster 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 Brewster, you can check the information here.

Maximum UV Index Levels in Brewster for January

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

Data source: Brewster 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 Brewster Compares to Other Months

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

This table compares monthly weather conditions in Brewster, 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)	87 mm (3.4 inches)	88%	moderate
February Weather	1°C (33°F)	102 mm (4.0 inches)	88%	moderate
March Weather	5°C (41°F)	100 mm (3.9 inches)	87%	high
April Weather	10°C (51°F)	132 mm (5.2 inches)	87%	very high
May Weather	17°C (62°F)	117 mm (4.6 inches)	81%	very high
June Weather	21°C (71°F)	124 mm (4.9 inches)	83%	very high
July Weather	24°C (75°F)	121 mm (4.7 inches)	82%	very high
August Weather	23°C (73°F)	91 mm (3.6 inches)	76%	very high
September Weather	20°C (68°F)	103 mm (4.0 inches)	77%	very high
October Weather	14°C (57°F)	109 mm (4.3 inches)	82%	high
November Weather	5°C (42°F)	94 mm (3.7 inches)	89%	moderate
December Weather	2°C (36°F)	91 mm (3.6 inches)	86%	low