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January Weather in Brooklyn, United States

Last updated: June 24, 2025

In Brooklyn, United States, the average temperature in January hovers around -6°C (22°F). However, be prepared for extremes; temperatures can plummet to a chilling -32°C (-25°F) or rise as high as 12°C (53°F). Rain isn’t uncommon, with an average precipitation of 57 mm (2.3 in) over approximately 8 days. Coupled with an average humidity level of 85%, this month brings a brisk, damp atmosphere that you won't soon forget!

January Temperature in Brooklyn

In January in Brooklyn, the average temperature is -6°C (22°F). The maximum can reach 12°C (53°F), while the minimum can plummet to as low as -32°C (-25°F). Be sure to pack warm clothing if you're planning 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 12°C (53°F) and lows dropping to around -32°C (-25°F).
JanFebMarAprMayJunJulAugSepOctNovDec222337466071757266523730
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 57 mm (2.3 in) over a span of 8 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 57 mm (2.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec585460101136119801021181144451
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 85%. With an average temperature of -6°C (22°F), this humidity feels like an icy mist clinging to your skin, making outdoor activities uncomfortably chilly and causing your breath to cloud in the cold air, leaving you yearning for warmth and cozy indoor retreats while traveling.

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 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
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.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098532
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)57 mm (2.3 inches)85%moderate
February Weather-5°C (24°F)54 mm (2.1 inches)85%moderate
March Weather3°C (37°F)60 mm (2.4 inches)85%high
April Weather8°C (47°F)101 mm (4.0 inches)85%very high
May Weather16°C (60°F)136 mm (5.3 inches)78%very high
June Weather22°C (71°F)119 mm (4.7 inches)80%very high
July Weather24°C (75°F)80 mm (3.2 inches)78%very high
August Weather22°C (72°F)102 mm (4.0 inches)76%very high
September Weather19°C (66°F)118 mm (4.6 inches)79%very high
October Weather11°C (52°F)114 mm (4.5 inches)83%moderate
November Weather3°C (37°F)44 mm (1.7 inches)88%moderate
December Weather-1°C (30°F)51 mm (2.0 inches)81%low

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