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January Weather in Brooklyn, United States

Last updated: June 24, 2025

In January, the average temperature in Brooklyn, United States hovers around -6°C (22°F). Expect chilly conditions, with minimum temperatures dropping to a frigid -32°C (-25°F) and a rare maximum of 13°C (56°F). Additionally, the region experiences an average precipitation of 44 mm (1.7 in) over the course of about 7 days, complemented by a notable average humidity of 78%. Stay warm and prepared!

January Temperature in Brooklyn

In January in Brooklyn, the average temperature is -6°C (22°F). Maximums can reach 13°C (56°F), while minimums can drop as low as -32°C (-25°F). Be sure to dress warmly and prepare for a wide range of temperatures if you plan to travel during this time.

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

The chart illustrates January temperature patterns in Brooklyn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brooklyn, January typically has an average temperature of -6°C (22°F), with highs reaching up to 13°C (56°F) and lows dropping to around -32°C (-25°F).
JanFebMarAprMayJunJulAugSepOctNovDec222339496273767368523830
Data source: Temperature data for Brooklyn generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Brooklyn

In Brooklyn in January, the precipitation amount is 44 mm (1.7 in) spread over a duration of 7 days.

January Precipitation Trends in Brooklyn

The chart displays monthly precipitation patterns in Brooklyn, 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 Brooklyn, January typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec4450788116713776661161434740
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Brooklyn

In Brooklyn in January, humidity is 78%. With an average temperature of -6°C (22°F), this humidity feels like a biting chill that seeps through your layers, making outdoor activities less enjoyable and creating a sharp contrast that can be unexpectedly uncomfortable for travelers.

January Average Humidity in Brooklyn

This chart illustrates the average monthly humidity levels in Brooklyn, 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 Brooklyn is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%77%78%77%81%81%77%73%75%85%83%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Brooklyn

In Brooklyn 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 Brooklyn, you can check the information here.

Maximum UV Index Levels in Brooklyn for January

The chart shows the monthly maximum UV Index (UVI) for Brooklyn 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 Brooklyn typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098643
Data source: Brooklyn 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 Brooklyn Compares to Other Months

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

This table compares monthly weather conditions in Brooklyn, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)44 mm (1.7 inches)78%moderate
February Weather-5°C (23°F)50 mm (2.0 inches)80%moderate
March Weather4°C (39°F)78 mm (3.1 inches)77%high
April Weather9°C (49°F)81 mm (3.2 inches)77%very high
May Weather17°C (62°F)166 mm (6.6 inches)77%very high
June Weather23°C (73°F)137 mm (5.4 inches)81%extreme
July Weather24°C (76°F)76 mm (3.0 inches)81%very high
August Weather23°C (73°F)66 mm (2.6 inches)77%very high
September Weather20°C (68°F)116 mm (4.6 inches)73%very high
October Weather11°C (53°F)142 mm (5.6 inches)75%high
November Weather3°C (38°F)47 mm (1.8 inches)85%moderate
December Weather-1°C (31°F)39 mm (1.6 inches)83%moderate

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