Last updated: February 24, 2025
December in Brooklyn offers a chilly embrace, with average temperatures hovering around 4°C (39°F), while maximums can reach up to 18°C (64°F), and winter's bite brings minimums plummeting to -11°C (13°F). Residents and visitors alike can expect a moist environment, with precipitation totaling 106 mm (4.2 in) over 10 days, contributing to a heightened humidity of 80%. Embrace the brisk air and occasional rainfall as this vibrant borough transitions further into winter's grasp.
In December, Brooklyn experiences a distinct chill as temperatures shift markedly from the milder autumn months. The average temperature hovers around 4°C (39°F), with nighttime lows dipping to about -11°C (13°F), signaling the onset of winter. Daytime highs reach a comfortable yet brisk 18°C (64°F), providing a refreshing contrast to the cold nights. This transition tells a tale of a city preparing for its winter festivities, as the temperatures gradually decline from November, which saw milder conditions, to the colder depths of winter. Despite the chill, December remains vibrant, with the holiday spirit warming the air even on the coldest days.
In December, Brooklyn experiences an average precipitation of 106 mm (4.2 in) over approximately 10 days of rainfall, marking a noticeable dip from the heavier downpours of summer. This month stands out for its relatively balanced precipitation, especially following the wettest months of July and August, where rainfall peaked at 148 mm (5.8 in) and 127 mm (5.0 in) respectively. Unlike the preceding months, December's precipitation not only diminishes slightly but also translates into a cozy, wintery atmosphere ideal for holiday festivities. As the year concludes, the transition from autumn's mix to December's consistent moisture hints at Brooklyn's unique climate rhythms, making it a month of moderate, yet persistent, rainfall that sets the stage for the winter ahead.
In December, Brooklyn experiences a humidity level of 80%, a slight decrease from the 82% recorded in November. This subtle dip hints at a trend of gradually lower humidity as the year progresses, particularly notable after the summer months when levels peaked at 69% in both May and June before reaching a low of 62% in July. Following this, humidity begins to climb again in the fall, but it remains relatively high during the winter months. Overall, December's figures reflect a transitional period as the city braces for colder weather while carrying residual moisture from the preceding months.
As the year winds down, December in Brooklyn brings a welcome dip in the UV Index, which falls to a low rating of 2. This reduced exposure means you can safely enjoy outdoor activities without the urgency of sun protection, as your burn time extends to 45 minutes—a stark contrast to the summer months where the index soared to 10 and required vigilance against harmful rays. In fact, from January to March, the UV index generally remains moderate to high, gradually escalating until it peaks in the summer. Thankfully, by November, the index begins to reflect the cooler weather, dropping to a moderate 4. For more insights on UV levels in the area, check out the detailed data at Brooklyn UV Index.
UV Risk Categories
As December wraps up the year in Brooklyn, it offers a cozy retreat from the summer's abundant light. With about 175 hours of sunshine, the month shows a notable decrease from the summer peak of 339 hours in July, aligning with the trend of shorter days as winter approaches. However, December still surpasses the lighter months of January and November, reflecting a gentle transition into the colder season. This month serves as a reminder of warmth amidst the chill, making those sunny winter days even more cherished as Brooklynites prepare to greet the new year with hope and renewed energy.
In December, Brooklyn experiences a notable dip in sunshine, with only a 31% chance of sunny weather. This decrease is part of a broader trend observed during the winter months, where the likelihood of sun generally falls compared to the milder seasons. Notably, while November boasts a more promising 55% chance of sunshine, December's shorter days and colder temperatures contribute to a gloomier outlook. As the year winds down, residents can expect fewer bright days, making those rare stretches of sunshine all the more special.
In Brooklyn, United States, daylight duration experiences a captivating ebb and flow throughout the year. December, aligned with the year's end, offers around 9 hours of daylight, mirroring the shorter days of January and November. As we transition from winter to spring, daylight gradually increases, peaking in June at a generous 15 hours. The following months of July and August witness a slight decline, with daylight tapering to 14 and 13 hours, respectively, before gracefully descending back through autumn. This cyclical pattern not only enhances the beauty of Brooklyn's seasons but also invites residents to relish the gradual return of light as the new year unfolds.
As December settles over Brooklyn, the cool, crisp air brings a notable shift in wind patterns, with an average speed of 2.9 m/s (7 mph). This gentle breeze marks a decline from the earlier months, reflecting a consistent easing of winds as the year draws to a close. After maintaining steady speeds around 3.1 m/s from September to November, December's softness invites a sense of tranquility, contrasting the more invigorating gusts of spring. As the last month of the year embraces its quieter demeanor, Brooklynites find a serene backdrop perfect for cozy winter strolls amidst twinkling lights and festive cheer.
The weather in Brooklyn changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Brooklyn and find detailed weather information for every month.
December and January exhibit noticeable differences in weather patterns. In December, temperatures range from a minimum of -11°C (13°F) to an average of 4°C (39°F), with a maximum reaching 18°C (64°F). Precipitation is relatively high, totaling 106 mm (4.2 in) over about 10 days, and humidity hovers around 80%. In contrast, January experiences colder temperatures, with a minimum of -18°C (-1°F) and an average of 1°C (34°F), while still peaking at 18°C (64°F). Precipitation decreases to 67 mm (2.7 in) over just 7 days, and humidity rises slightly to 84%. For more details on January weather in Brooklyn, check out Brooklyn weather in January.
December and February weather exhibit distinct characteristics despite their proximity in the calendar year. December sees a wider temperature range with minimums dropping to -11°C (13°F) and maximums reaching 18°C (64°F), while February features even lower minimums at -16°C (4°F) but slightly higher maximums of 20°C (68°F). Precipitation levels are similar for both months, with December recording 106 mm (4.2 in) and February slightly lower at 102 mm (4.0 in), each experiencing rainfall on about 10 days. Additionally, humidity levels are comparable, with December at 80% and February slightly higher at 82%. For a closer look at what to expect, check out Brooklyn weather in February.
In December, temperatures can drop to a chilling minimum of -11°C (13°F), with an average hovering around 4°C (39°F), while highs reach up to 18°C (64°F). The month experiences approximately 106 mm (4.2 in) of precipitation over about 10 days, coupled with a humidity level of 80%. In contrast, March offers slightly milder conditions, with minimum temperatures around -9°C (16°F) and an average of 5°C (42°F), peaking at a warmer 25°C (77°F). Precipitation in March totals about 98 mm (3.8 in) over the same 10-day period, while humidity remains similar at 81%. For more details on what to expect, check out Brooklyn weather in March.
In December, the weather is notably colder, with temperatures ranging from a chilling minimum of -11°C (13°F) to a more moderate maximum of 18°C (64°F) and an average of 4°C (39°F). This month experiences frequent precipitation, totaling 106 mm (4.2 in) over about 10 days and a humidity level of 80%.
Conversely, April brings a significant warming trend, with temperatures ranging from a minimum of -1°C (31°F) to a comfortable maximum of 27°C (82°F), averaging around 11°C (52°F). Precipitation slightly increases to 112 mm (4.4 in), occurring over 12 days, while humidity drops to 78%. For a more detailed look at what to expect, check out Brooklyn weather in April.
December and May present stark contrasts in weather patterns. December features colder temperatures, with a minimum of -11°C (13°F) and an average of 4°C (39°F), while May warms up significantly, showcasing a minimum of 3°C (37°F) and an average temperature of 17°C (62°F). Precipitation levels are somewhat similar, with December receiving 106 mm (4.2 in) over approximately 10 days, and May slightly higher at 114 mm (4.5 in), but spread over 13 days. Humidity also varies, with December maintaining a higher level at 80% compared to May's 69%. The transition from the chill of December to the balmy days of May is a welcome shift for many, as seen in the vibrant climate described in Brooklyn weather in May.
December and June present stark contrasts in weather. In December, temperatures range from a chilly -11°C (13°F) at their lowest to a mild 18°C (64°F) at their peak, with an average temperature around 4°C (39°F). The month experiences considerable precipitation, totaling 106 mm (4.2 in) over about 10 days, accompanied by high humidity levels of 80%. In contrast, June boasts much warmer temperatures, with lows around 10°C (50°F) and highs reaching up to 35°C (94°F), averaging 22°C (72°F). The total precipitation in June is slightly lower at 92 mm (3.6 in), spread over 13 days, and humidity is comparatively lower at 69%. For more detailed information, you can check the Brooklyn weather in June.
When comparing December and July weather, the contrast is striking. December sees much colder temperatures, with an average of 4°C (39°F) and lows that can dip to -11°C (13°F). In terms of precipitation, it experiences about 106 mm (4.2 in) over approximately 10 days, accompanied by higher humidity levels at 80%. On the other hand, July boasts a much warmer climate, with average temperatures around 26°C (78°F) and highs reaching as much as 36°C (96°F). Although July is wetter, with 148 mm (5.8 in) of rain over around 13 days, the lower humidity of 62% makes it feel more comfortable compared to the chill of December. You can find more details about July weather Brooklyn weather in July.
December and August present starkly contrasting weather patterns. In December, temperatures can dip as low as -11°C (13°F), with an average of 4°C (39°F) and a maximum of 18°C (64°F). The month also sees significant precipitation, averaging around 106 mm (4.2 in) over 10 days, combined with high humidity levels of 80%. Conversely, August boasts much milder temperatures, with a minimum of 16°C (61°F), an average of 25°C (76°F), and soaring maximums of 34°C (93°F). Although August experiences slightly higher precipitation at 127 mm (5.0 in) across 14 days, its lower humidity of 65% contributes to a more comfortable feel. For a closer look at the August weather, you can check out Brooklyn weather in August.
December and September present contrasting weather patterns. In December, temperatures range from a chilly minimum of -11°C (13°F) to a mild maximum of 18°C (64°F), with an average of 4°C (39°F). The month experiences substantial precipitation, totaling 106 mm (4.2 in) over about 10 days, amidst relatively high humidity at 80%. In contrast, September boasts a more temperate climate, with temperatures ranging from a minimum of 9°C (49°F) to a warm maximum of 33°C (92°F) and an average of 21°C (70°F). Precipitation is slightly lower at 92 mm (3.6 in) over 9 days, with humidity levels at a more comfortable 68%. For a detailed look at the weather in September, visit Brooklyn weather in September.
In comparing the weather of December and October, we see significant differences in both temperature and precipitation. December experiences much colder temperatures, with a minimum of -11°C (13°F) and an average of 4°C (39°F), contrasting sharply with October's milder range, where temperatures drop to a minimum of 4°C (39°F) and can reach a maximum of 33°C (91°F). While both months see precipitation over about ten days, December's total is slightly lower at 106 mm (4.2 in) compared to October's 128 mm (5.0 in). Additionally, December tends to have higher humidity at 80%, creating a damp chill, while October offers slightly drier conditions with a humidity level of 74%. For a more detailed look at October weather, check out Brooklyn weather in October.
In comparing the weather between November and December, December tends to be slightly colder with an average temperature of 4°C (39°F), compared to November's warmer average of 8°C (47°F). The minimum temperatures drop to -11°C (13°F) in December, while November sees a milder minimum of -9°C (17°F). December also experiences more precipitation, totaling 106 mm (4.2 in) over 10 days, compared to November's 83 mm (3.3 in) across 8 days. Humidity levels remain relatively consistent, with December at 80% and November at 82%. For more detailed information about November weather, you can visit Brooklyn weather in November.
As December settles in, Brooklyn experiences a notable shift in weather compared to the milder months. With a significant drop in temperatures, the average hovers around 4°C (39°F), contrasting sharply with the warmth of fall. The chill is accompanied by increased humidity, reaching 80%, and occasional precipitation, making December one of the wetter months with around 10 rainy days. This combination of cool temperatures and higher moisture creates a distinct atmosphere, perfect for cozy gatherings and the festive spirit. To explore more about how Brooklyn's climate varies throughout the year, check out Brooklyn Climate.