December Weather in Montauk, United States

Last updated: February 24, 2025

In Montauk, United States, December unveils a crisp and variegated climate, with maximum temperatures reaching up to 16°C (62°F) and an average of 6°C (43°F), allowing for occasional mild days. However, the chill intensifies as temperatures can dip to a minimum of -9°C (17°F), reminding residents and visitors of winter's approach. The month is characterized by significant precipitation totaling 136 mm (5.4 in) over approximately 12 days, contributing to a humidity level of 80% that permeates the air. This blend of cooler temperatures and regular rainfall creates a unique winter ambiance, inviting exploration and appreciation of Montauk's scenic coastal beauty during the colder months.

December Temperature in Montauk

As December settles in Montauk, temperatures begin their downward trend, offering a chilly embrace that contrasts the milder months preceding it. The temperature range for this winter month features a minimum of -9°C (17°F), a significant drop compared to November's temperatures, while the average hovers around 6°C (43°F). Although the maximum can reach a comfortable 16°C (62°F), the crisp air signals the arrival of winter, enveloping the picturesque coastal town in a serene yet brisk atmosphere. As the year draws to a close, Montauk's December weather invites visitors and locals alike to bundle up and enjoy the tranquil beauty of the season.

December Weather in Montauk: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Montauk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec373739465363717268615042
Data source: Temperature data for Montauk 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 Montauk

In December, Montauk experiences a notable uptick in precipitation, with 136 mm (5.4 in) falling over the month. This increase reflects a consistent trend as winter approaches, suggesting a shift from the milder, summer months. December typically sees 12 days of rain, aligning with November's rainfall pattern but slightly higher in total quantity. After a relatively dry June with only 71 mm, the late fall and early winter months, including October's peak of 165 mm, illustrate a significant rise in moisture, likely contributing to the region's lush winter landscapes and a bracing atmosphere. This seasonal transition not only shapes Montauk's weather but also enhances its coastal charm during the festive season.

December Precipitation Trends in Montauk

The chart displays monthly precipitation patterns in Montauk, 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.
JanFebMarAprMayJunJulAugSepOctNovDec90114114129125719010096165112136
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Montauk

In December, Montauk experiences a noticeable shift in humidity, reaching 80%, which aligns closely with the higher levels seen in January and February. This consistent moisture in the air reflects the region's transition from the cooler, more temperate conditions of November. Overall, a trend emerges throughout the year: humidity tends to remain elevated during the winter months, hovering around the 80% mark, before gradually tapering off during the spring and summer. The fall sees a slight drop, but December reinstates that wintery dampness, creating an atmosphere that is both refreshing and crisp.

December Average Humidity in Montauk

This chart illustrates the average monthly humidity levels in Montauk, 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%84%82%79%75%78%76%76%76%75%80%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Montauk

As December arrives in Montauk, the UV Index drops to a modest 2, placing it in the low exposure category. This signifies a welcome respite from the intense sun of the summer months, where the index soared to 10. In contrast to the scorching July and June, when the burn time was a mere 15 minutes, December offers a more forgiving 45 minutes before skin reddening may occur. This trend reflects the seasonal shift, with the UV levels gradually decreasing from the heights of summer, making December an ideal time for outdoor activities without the looming threat of sunburn. For more detailed information on UV levels throughout the year, visit Montauk UV Index.

Maximum UV Index Levels in Montauk for December

The chart shows the monthly maximum UV Index (UVI) for Montauk 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.
JanFebMarAprMayJunJulAugSepOctNovDec35689101098642
Data source: Montauk 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 Montauk

December in Montauk offers a modest 175 hours of sunshine, marking a gentle decline as the year draws to a close. Following the vibrant summer days in July and August, which bask in an impressive 351 and 331 hours of sun respectively, the fall months see a gradual tapering off, with September still enjoying a robust 282 hours. As autumn fades, October and November usher in shorter days with 232 and 207 hours of sunlight, respectively. Despite December's dip, the lingering sunshine still brightens the landscape, inviting visitors to embrace the crisp coastal air and serene winter views. As the cycle of seasons continues, Montauk subtly shifts from the bright warmth of summer to the quieter, reflective days of late autumn and early winter.

Monthly Sunshine Duration in Montauk: December Highlighted

The December sunshine duration represents the total number of hours Montauk 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.
JanFebMarAprMayJunJulAugSepOctNovDec152h187h263h254h295h324h351h331h282h232h207h175h
Data source: Montauk December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Montauk During December

In December, Montauk sees a notable dip in sunny weather, with the chance of sunshine plummeting to 32%, making it one of the least sunny months of the year. This trend sharply contrasts with the higher probabilities found earlier in the year, such as 59% in March and 51% in November. As the year winds down, the overall chances of basking in the sun diminish, reflecting the seasonal shift towards colder and less predictable weather. If you're dreaming of festive beach walks under a bright sky, December may not be your best bet in Montauk, where the chances of cloud cover loom larger than that of sunny days.

Percentage of Sunny Days in December in Montauk

The chart illustrates the percentage of sunny days in Montauk 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 Montauk experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec46%31%59%49%45%40%46%36%50%47%51%32%
Data source: Montauk December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Montauk in December

In Montauk, United States, the daylight duration experiences a rhythmic ebb and flow throughout the year, peaking during the vibrant summer months. December, with its nine hours of daylight, mirrors the shorter days of November, hinting at the deepening winter twilight. As we move from the longer days of June, with a generous fifteen hours of sunlight, the daylight gradually recedes into late autumn. This annual cycle underscores the transition into winter, where daylight becomes a cherished commodity, hinting at the return of longer days that await in the following spring. Embracing the magic of these shorter days, residents can find joy in cozy evenings and the beauty of twilight, even as they anticipate the vibrant resurgence of light.

Average Daylight Hours in Montauk for December

The chart illustrates the variation in daylight duration in Montauk throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 35m10h 38m11h 58m13h 20m14h 29m15h 3m14h 45m13h 43m12h 24m11h 3m9h 52m9h 15m
Data source: Montauk daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Montauk

As December settles in Montauk, the winds begin to whisper a chill that gently ushers in the heart of winter. With an average wind speed of 7.3 m/s (16 mph), December showcases a slight decrease compared to the stronger breezes of the preceding months. This trend reflects a gradual calming from the brisk winds of late fall, indicating the seasonal shift. Interestingly, while the winds are softer than earlier in the year, they retain a consistent strength through the winter months, reminiscent of the resilient spirit of Montauk. As the year winds down, there’s an almost poetic quality to the December air, perfect for contemplative walks along the shore, where the dance of the waves meets the touch of the wind.

Average December Wind Speed in Montauk

The chart displays monthly wind speed patterns in Montauk, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8.07.97.46.76.56.15.25.26.47.27.47.3 m/s
Data source: Montauk December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Montauk Compares to Other Months

The weather in Montauk 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 Montauk and find detailed weather information for every month.

December and January weather in Montauk exhibit distinct differences in temperature and precipitation. December sees a milder range, with average temperatures fluctuating from a minimum of -9°C (17°F) to a maximum of 16°C (62°F), alongside 136 mm (5.4 in) of precipitation over 12 days. In contrast, January tends to be colder, with minimum temperatures dropping to -13°C (9°F) and maximums reaching only 13°C (56°F), while experiencing less precipitation at 90 mm (3.5 in) over 9 days. Additionally, January's humidity rises slightly to 84%, compared to December's 80%. For a more detailed look, check out Montauk weather in January.

In December, temperatures range from a low of -9°C (17°F) to a high of 16°C (62°F), with an average of 6°C (43°F). The month experiences considerable precipitation, totaling 136 mm (5.4 in) over approximately 12 days, and humidity is relatively high at 80%. In comparison, February is slightly colder, with minimum temperatures dipping to -11°C (13°F) and maximums reaching 12°C (54°F), averaging at 3°C (38°F). Precipitation is somewhat lower at 114 mm (4.5 in) over 11 days, and humidity increases to 84%. For more detailed information, you can check Montauk weather in February.

In December, temperatures can drop as low as -9°C (17°F) and reach a maximum of 16°C (62°F), with an average of 6°C (43°F). This month experiences considerable precipitation, averaging 136 mm (5.4 in) over 12 days, accompanied by 80% humidity. In contrast, March sees slightly milder conditions, with minimum temperatures around -7°C (20°F) and a maximum of 13°C (56°F), resulting in an average temperature of 4°C (40°F). Precipitation is also lower in March, totaling 114 mm (4.5 in) across 10 days, while humidity increases slightly to 82%. For more detailed insights on the weather in this spring month, you can visit Montauk weather in March.

December weather in Montauk is characterized by colder temperatures, with a minimum of -9°C (17°F) and an average of 6°C (43°F), peaking at a maximum of 16°C (62°F). The month sees significant precipitation, amounting to 136 mm (5.4 in) over 12 days, coupled with high humidity at 80%. In contrast, April experiences milder conditions, featuring higher minimum temperatures of 1°C (33°F) and an average of 8°C (46°F), while the maximum temperature reaches up to 15°C (59°F). Though precipitation is slightly less at 128 mm (5.1 in) over the same number of days, humidity remains similar at 79%. For more detailed insights, check out Montauk weather in April.

In December, temperatures in Montauk are much colder, with a minimum of -9°C (17°F) and an average of 6°C (43°F) that can rise to a maximum of 16°C (62°F). The month also sees significant precipitation, totaling 136 mm (5.4 in) over 12 days, and a high humidity level of 80%. In contrast, May brings milder conditions, where temperatures range from a minimum of 4°C (39°F) to an average of 12°C (53°F), peaking at a comfortable 20°C (68°F). Precipitation slightly decreases to 125 mm (4.9 in) over the same number of days, accompanied by lower humidity at 75%. For more insights into the pleasant weather of May, you can refer to Montauk weather in May.

In December, the weather is significantly colder, with temperatures ranging from a minimum of -9°C (17°F) to a maximum of 16°C (62°F), averaging around 6°C (43°F). This month sees a fair amount of precipitation, totaling 136 mm (5.4 in) over 12 days, and humidity levels reach about 80%. In contrast, June experiences milder temperatures, with minimums of 11°C (52°F) and maximums of 22°C (73°F), resulting in an average of 17°C (63°F). Precipitation during this month is lower at 71 mm (2.8 in) across only 8 days, with humidity slightly lower at 78%. For a detailed overview of climate conditions, refer to Montauk weather in June.

In December, the weather is significantly colder, with temperatures ranging from a brisk minimum of -9°C (17°F) to a maximum of 16°C (62°F), and an average of 6°C (43°F). The month sees considerable precipitation of 136 mm (5.4 in) over about 12 days, accompanied by high humidity at 80%. In contrast, July experiences much milder temperatures, with a minimum of 16°C (61°F), an average of 22°C (71°F), and a maximum of 26°C (80°F). Precipitation in July totals 90 mm (3.6 in) over just 9 days, with slightly lower humidity at 76%. For more details on summer conditions, you can visit Montauk weather in July.

The weather in December contrasts sharply with that of August, showcasing the stark seasonal differences. In December, temperatures can plunge to a minimum of -9°C (17°F), with an average of 6°C (43°F) and a maximum of 16°C (62°F). This month also experiences higher precipitation, totaling 136 mm (5.4 in) across 12 days, along with a humidity level of 80%. In comparison, August enjoys significantly milder temperatures, ranging from a minimum of 17°C (63°F) to an average of 22°C (73°F) and a maximum of 26°C (79°F). The summer month sees less rainfall, with 100 mm (3.9 in) over just 9 days and slightly lower humidity at 76%. For a closer look at the summer conditions, check out Montauk weather in August.

Comparing the weather between December and September reveals some stark contrasts. December features much colder temperatures, with a minimum of -9°C (17°F) and an average of 6°C (43°F), while September enjoys milder conditions with temperatures ranging from a minimum of 13°C (55°F) to an average of 20°C (68°F). Precipitation is also a notable difference, with December experiencing more rainfall (136 mm over 12 days) compared to September's 96 mm over 10 days. Additionally, December's higher humidity at 80% creates a chillier feel, while September's 75% humidity contributes to a more comfortable atmosphere. For more details, you can explore Montauk weather in September.

When comparing the weather in October and December, we notice a significant temperature drop. In October, temperatures range from a minimum of 5°C (42°F) to a maximum of 23°C (73°F), with an average of 16°C (61°F). In contrast, December experiences much colder temperatures, with a minimum of -9°C (17°F) and a maximum of 16°C (62°F), averaging around 6°C (43°F). Both months see precipitation on about 12 days, but October has a slightly higher total rainfall of 165 mm (6.5 in) compared to December's 136 mm (5.4 in). Additionally, the humidity in December is higher at 80%, compared to 75% in October. For more detailed information, you can check Montauk weather in October.

In comparing the weather between November and December, we see a marked shift in temperatures and precipitation patterns. December features colder temperatures, with a minimum of -9°C (17°F) compared to November's minimum of -4°C (24°F). The average December temperature is slightly lower at 6°C (43°F), while November boasts a more moderate average of 10°C (51°F). Precipitation increases in December to 136 mm (5.4 in) over 12 days, whereas November sees 112 mm (4.4 in) across 11 days. Interestingly, both months maintain a consistent humidity level of 80%. For more detailed insights on November weather specifically, you can refer to Montauk weather in November.

Compare Montauk's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Montauk

As December sets in, Montauk transforms into a chilly seaside haven, presenting a stark contrast to the warmer months. With temperatures dipping to a minimum of -9°C and an average of 6°C, the region's climate takes on a crisp demeanor that invites cozy gatherings and festive celebrations. In addition to the chill, December sees a notable increase in precipitation, averaging 136 mm over about 12 days, adding to the wintry atmosphere. The humidity levels rise to around 80%, enhancing the cool, brisk feel of the coastal air. For a deeper dive into how Montauk's December weather compares with other months, explore our detailed page on Montauk Climate.