December Weather in Jersey City, United States

Last updated: February 24, 2025

In December, Jersey City experiences a wide range of temperatures, with maximums reaching 18°C (64°F) and minimums plummeting to -11°C (13°F). The month averages a crisp 4°C (39°F), setting the stage for a distinctive winter climate. With 80% humidity lingering in the air, the atmosphere can feel quite chill; however, it's the 106 mm (4.2 in) of precipitation over 10 days that gives December its character, often transforming the city into a serene winter wonderland. Residents and visitors alike can enjoy the festive ambiance while bundling up to embrace the season's charm.

December Temperature in Jersey City

In December, Jersey City transitions firmly into winter, characterized by frigid temperatures that range from a minimum of -11°C (13°F) to a maximum of 18°C (64°F). The average temperature hovers around 4°C (39°F), signaling the chill that accompanies the holiday season. This month marks a notable drop from the milder temperatures of November, where the average stood at 8°C (47°F). As the year comes to a close, residents can expect the crisp winter air to envelop the city, making December one of the colder months. Despite the chill, the milder daytime highs offer occasional relief from the freezing nights, inviting locals to enjoy festive gatherings and seasonal celebrations.

December Weather in Jersey City: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Jersey City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec343642526272787670604638
Data source: Temperature data for Jersey City generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Jersey City

In December, Jersey City experiences moderate precipitation, with an average rainfall of 106 mm (4.2 in) over approximately 10 days. This marks a slight drop from the wetter months of summer and fall, where notably July peaked at 148 mm and October reached 128 mm. As the year comes to a close, December's precipitation is comparable to that of August (127 mm) and slightly lower than April’s peak (112 mm), indicating that while the city is still susceptible to rain, the intensity begins to wane as winter approaches. The trend of consistent precipitation throughout the year continues, making Jersey City’s climate relatively balanced but leaving residents to prepare for the colder, wetter conditions of winter.

December Precipitation Trends in Jersey City

The chart displays monthly precipitation patterns in Jersey City, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec6710298112114921481279212883106
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Jersey City

In Jersey City, December ushers in a humidity level of 80%, reflecting a slight decline from the previous month's 82%. As the year progresses, a noticeable trend emerges: humidity begins at its peak in the winter months, with January reaching 84%, and gradually decreases to its lowest levels in the summer, where it dips to around 62% in July. However, as the seasons shift back into the cooler months, humidity levels start to rise again, creating a consistent pattern of winter's dampness followed by the crisp dryness of summer. This cyclical nature of humidity ensures that Jersey City experiences a distinctly varied climate throughout the year, making December feel notably humid compared to the hotter months.

December Average Humidity in Jersey City

This chart illustrates the average monthly humidity levels in Jersey City, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Jersey City

As December arrives in Jersey City, residents can expect a notable shift in the UV Index, dipping to 2, which falls into the low exposure category. This translates to a more forgiving burn time of 45 minutes, allowing more leisurely outdoor activities without the urgent need for sun protection. Compared to the sun-soaked months of summer, where the index soared to a staggering 10, it's a welcome reprieve. Overall, the trend highlights a seasonal decline in UV intensity from the scorching highs of May through September, creating a safer environment for enjoying the brisk winter air. For more detailed information, check out the Jersey City UV Index.

Maximum UV Index Levels in Jersey City for December

The chart shows the monthly maximum UV Index (UVI) for Jersey City in December, 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.
JanFebMarAprMayJunJulAugSepOctNovDec35681010998642
Data source: Jersey City December 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.

December Sunshine in Jersey City

December in Jersey City sees a decline in sunshine, offering around 175 hours of daylight as the year winds down. This marks a notable drop from the vibrant summer months, where the city basks in over 300 hours of sunlight, particularly in July with 339 hours brightening the vibrant urban landscape. As fall settles in and winter approaches, the hours begin to taper off, reflecting the transition from the sun-drenched days of summer to the cooler and shorter days of winter. Interestingly, as December arrives, it still outshines the bleak mid-winter months like January, where the sun only graces the city for 148 hours. Thus, despite being one of the darkest months of the year, December still offers a comforting glow, wrapping up the year on a slightly brighter note.

Monthly Sunshine Duration in Jersey City: December Highlighted

The December sunshine duration represents the total number of hours Jersey City experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec148h177h248h238h271h310h339h309h272h218h208h175h
Data source: Jersey City December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jersey City During December

In Jersey City, the likelihood of sunny weather in December dips to 31%, making it one of the cloudier months of the year. This trend of decreased sunshine begins to emerge in late fall, with November offering a more promising 55% chance, while the winter months that follow continue to show less potential for bright days. Interestingly, while March leads the pack with a 57% chance of sun, December's lower likelihood reflects a shift towards winter, when the atmosphere tends to favor overcast conditions. Overall, as the year winds down, December is characterized by a significant drop in sunny days, highlighting a stark contrast to the sunnier months earlier in the year.

Percentage of Sunny Days in December in Jersey City

The chart illustrates the percentage of sunny days in Jersey City throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Jersey City experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%31%57%45%42%39%43%29%45%37%55%31%
Data source: Jersey City December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jersey City in December

As December arrives in Jersey City, daylight hours begin to dwindle, offering just 9 hours of sunlight. This reflects a recurring trend seen throughout the year, where daylight peaks at 15 hours in June and steadily decreases as winter approaches. The pattern reveals that while January and December share the same limited daylight, the month of February sees a slight increase, hinting at the return of longer days with the approach of spring. Notably, the shift in hours—ranging from 11 hours in March to a high of 14 hours in May—highlights the seasonal rhythm that energizes the city, reminding us that brighter days are just around the corner.

Average Daylight Hours in Jersey City for December

The chart illustrates the variation in daylight duration in Jersey City throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 36m10h 39m11h 58m13h 19m14h 28m15h 2m14h 43m13h 42m12h 24m11h 3m9h 53m9h 17m
Data source: Jersey City daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Jersey City

As December rolls into Jersey City, the wind takes on a gentle demeanor, with an average speed of 2.9 m/s (7 mph). This marks a subtle dip from the earlier months, reflecting a trend of diminishing breezes that began in the warmer summer months. With winds steadily decreasing from a peak in early spring to the calmer thresholds of late fall, December ushers in a tranquil atmosphere, inviting residents to embrace the serenity of the season. This shift not only enhances the charm of winter in the city but also serves as a reminder of the cozy indoor activities that await when the air is still.

Average December Wind Speed in Jersey City

The chart displays monthly wind speed patterns in Jersey City, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.43.73.43.32.82.62.53.13.13.12.9 m/s
Data source: Jersey City December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Jersey City Compares to Other Months

The weather in Jersey City 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 Jersey City and find detailed weather information for every month.

December in Jersey City experiences a relatively mild range of temperatures, with highs reaching up to 18°C (64°F) and an average of around 4°C (39°F). The month is characterized by significant precipitation, totaling 106 mm (4.2 in) over approximately 10 days, and a humidity level of 80%. In contrast, January brings colder conditions, with minimum temperatures plummeting to -18°C (-1°F) and an average temperature of just 1°C (34°F), though the maximum can still reach 18°C (64°F). Precipitation decreases to 67 mm (2.7 in) across about 7 days, and humidity slightly rises to 84%. For more specific insights on January weather, you can refer to Jersey City weather in January.

In comparing the weather between December and February, we see some notable differences and similarities. December tends to be slightly milder, featuring an average temperature of 4°C (39°F), with a minimum of -11°C (13°F) and a maximum of 18°C (64°F). In contrast, February is a bit cooler overall, with an average temperature of 2°C (36°F), a minimum of -16°C (4°F), and a maximum reaching 20°C (68°F). Precipitation levels are quite similar for both months, with December receiving 106 mm (4.2 in) and February closely following with 102 mm (4.0 in), each experiencing about 10 days of rainfall. The humidity remains high in both months, with December at 80% and February slightly higher at 82%. For more details on February weather specifics, check out this link: Jersey City weather in February.

When comparing the weather in December and March, both months exhibit a significant range in temperatures, although March tends to be slightly warmer. December experiences a minimum temperature of -11°C (13°F) and an average of 4°C (39°F), while March sees minimum temperatures around -9°C (16°F) and an average of 5°C (42°F). The maximum temperatures also reflect this trend, with December peaking at 18°C (64°F) and March reaching a warmer 25°C (77°F). Precipitation levels are similar, with December recording 106 mm (4.2 in) and March slightly lower at 98 mm (3.8 in), though both months experience precipitation on about 10 days. Humidity levels remain fairly comparable, with December at 80% and March at 81%. For more detailed insights, check out Jersey City weather in March.

December and April present strikingly different weather patterns. In December, temperatures range from a chilly minimum of -11°C (13°F) to a milder maximum of 18°C (64°F), with an average temperature of 4°C (39°F). The month experiences significant precipitation, totaling 106 mm (4.2 in) over about 10 days, combined with high humidity at 80%. In contrast, April brings a notable shift, with temperatures fluctuating between -1°C (31°F) and a comfortable maximum of 27°C (82°F), averaging 11°C (52°F). The precipitation slightly increases to 112 mm (4.4 in), observed over 12 days, accompanied by a marginally lower humidity level of 78%. For a deeper dive into specific weather patterns, check out Jersey City weather in April.

December and May display starkly contrasting weather patterns. In December, temperatures can drop as low as -11°C (13°F), with an average of around 4°C (39°F) and a maximum reaching 18°C (64°F). Precipitation is frequent, occurring over 10 days, and humidity levels are relatively high at 80%. In contrast, May brings milder conditions, with minimum temperatures starting at 3°C (37°F), an average of 17°C (62°F), and peaks reaching a comfortable 31°C (88°F). Although May sees slightly more precipitation at 114 mm (4.5 in) over 13 days, the humidity is lower at 69%. Such differences make it clear that December tends to be much colder and wetter compared to the warmer and more pleasant conditions of May. For more details on May weather, visit Jersey City weather in May.

When comparing the weather in December and June, a stark contrast emerges. December experiences much colder temperatures, with averages around 4°C (39°F) and a minimum reaching as low as -11°C (13°F). In contrast, June boasts a mild average of 22°C (72°F) and maximum highs soaring to 35°C (94°F). Precipitation is more frequent in December, occurring over 10 days with a total of 106 mm (4.2 in), while June sees slightly less rainfall at 92 mm (3.6 in) across 13 days. Additionally, December’s higher humidity at 80% compared to June's 69% contributes to the chillier and damp perception of the winter month. For more details on summer conditions, check out Jersey City weather in June.

The weather in December exhibits a stark contrast to that of July, with December temperatures ranging from a chilly minimum of -11°C (13°F) to a relatively mild maximum of 18°C (64°F), averaging around 4°C (39°F). In comparison, July boasts much warmer temperatures, with minimums of 17°C (62°F) and maximums soaring to 36°C (96°F), averaging at 26°C (78°F). Additionally, December sees more humidity at 80% and significant precipitation over 10 days, totaling 106 mm (4.2 in), whereas July, while wetter with 148 mm (5.8 in) over 13 days, features a more comfortable humidity level of 62%. For a detailed look at the weather patterns, you can check out Jersey City weather in July.

The weather in December contrasts sharply with that of August, reflecting the significant seasonal differences. In December, temperatures can drop 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 is characterized by high humidity at 80% and frequent precipitation, with about 106 mm (4.2 in) falling over approximately 10 days. In stark contrast, August enjoys much warmer temperatures, with minimums of 16°C (61°F) and averages reaching 25°C (76°F), peaking at a hot 34°C (93°F). While August also sees some rainfall—127 mm (5.0 in) over 14 days—the overall humidity is lower at 65%. For more specific details on August conditions, you can check Jersey City weather in August.

December and September present stark contrasts in weather patterns. In December, temperatures can plunge as low as -11°C (13°F) and average around 4°C (39°F), while September enjoys milder conditions with minimums of 9°C (49°F) and an average of 21°C (70°F). The maximums in December reach 18°C (64°F), significantly cooler than September's highs of 33°C (92°F). Although both months experience precipitation—106 mm (4.2 in) in December and 92 mm (3.6 in) in September—December tends to be a bit wetter, with rain falling on about 10 days compared to just 9 days in September. Additionally, the humidity in December is higher at 80%, compared to September's 68%. For a more detailed look at September weather specifics, check out Jersey City weather in September.

When comparing the weather in December to that of October, notable differences emerge. December experiences colder temperatures, with minimums dropping as low as -11°C (13°F) and averages around 4°C (39°F), while October sees milder conditions with minimums of 4°C (39°F) and an average of 16°C (61°F). Additionally, October can reach maximum temperatures of 33°C (91°F), significantly higher than December's maximum of 18°C (64°F). Precipitation is somewhat similar, with December receiving 106 mm (4.2 in) over 10 days and October having slightly higher rainfall at 128 mm (5.0 in) over the same number of days. Humidity levels also differ, with December at 80% compared to October's 74%. For more detailed insights, you can visit Jersey City weather in October.

In comparing the weather patterns of December and November, December tends to feature cooler temperatures, with minimums dropping to -11°C (13°F) and averaging around 4°C (39°F), while November experiences milder conditions with minimums around -9°C (17°F) and an average of 8°C (47°F). Additionally, December sees a higher maximum temperature of 18°C (64°F), although it is still lower than November's peak of 24°C (75°F). Precipitation is more frequent in December, accumulating 106 mm (4.2 in) over about 10 days, compared to November's 83 mm (3.3 in) over 8 days. Both months maintain a similar humidity level, hovering around 80% in December and 82% in November. For a closer look at the specific weather conditions in November, you can check Jersey City weather in November.

Compare Jersey City's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Jersey City

As December settles in, Jersey City's weather takes a notable turn, contrasting sharply with the milder fall months. With average temperatures dipping to a chilly 4°C (39°F), residents can expect a significant drop compared to the warmer days of autumn. The month also brings a mix of rain and snow, accumulating around 106 mm (4.2 in) of precipitation over approximately 10 days, fostering a damp and humid atmosphere. This combination of cool temperatures and increased moisture levels creates a unique winter ambiance, setting the stage for the festive season ahead. For a more comprehensive understanding of weather patterns throughout the year, visit Jersey City Climate.