Last updated: June 24, 2025
In December, the average temperature in Brooklyn, United States hovers around 0°C (33°F). Expect chilly conditions, with minimum temperatures plummeting to -23°C (-10°F) and a maximum reaching a mild 16°C (61°F). Prepare for 55 mm (2.2 in) of precipitation over 8 days, and feel the dampness with an average humidity of 86%.
In December in Brooklyn, the average temperature is 0°C (33°F). The maximum can reach 16°C (61°F), and the minimum can be as low as -23°C (-10°F). Be prepared for a wide range of temperatures if you're planning to travel during this time!
In Brooklyn in December, the precipitation amount is 55 mm (2.2 in) over the course of 8 days.
In Brooklyn in December humidity is 86%. With an average temperature of 0°C (33°F), this humidity feels like a damp chill that permeates your clothes, making traveling uncomfortable and necessitating warm, layered clothing to stay dry and cozy.
In Brooklyn in December, 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 Brooklyn, you can visit Hourly UV Index in Brooklyn.
UV Risk Categories
Weather in Brooklyn varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Brooklyn, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 68 mm (2.7 inches) | 88% | moderate |
| February Weather | -2°C (28°F) | 69 mm (2.7 inches) | 87% | moderate |
| March Weather | 3°C (38°F) | 85 mm (3.3 inches) | 87% | moderate |
| April Weather | 8°C (47°F) | 93 mm (3.7 inches) | 87% | very high |
| May Weather | 15°C (60°F) | 133 mm (5.3 inches) | 81% | very high |
| June Weather | 21°C (70°F) | 92 mm (3.6 inches) | 82% | very high |
| July Weather | 24°C (75°F) | 112 mm (4.4 inches) | 81% | very high |
| August Weather | 22°C (72°F) | 71 mm (2.8 inches) | 78% | very high |
| September Weather | 19°C (66°F) | 63 mm (2.5 inches) | 78% | very high |
| October Weather | 12°C (54°F) | 110 mm (4.3 inches) | 82% | high |
| November Weather | 4°C (39°F) | 82 mm (3.2 inches) | 89% | moderate |
| December Weather | 0°C (33°F) | 55 mm (2.2 inches) | 86% | low |