December Weather in Newburyport, United States

Last updated: February 24, 2025

In December, Newburyport, United States experiences a chilly climate characterized by a maximum temperature of 16°C (61°F) and an average temperature of only 1°C (34°F). The minimum temperature can plummet to a brisk -20°C (-3°F), making warm layers essential for outdoor activities. This month also sees considerable precipitation, accumulating to 121 mm (4.8 in) over approximately 10 days, contributing to the region's winter wonderland ambiance. With a humidity level averaging around 81%, residents and visitors alike can expect a damp, crisp atmosphere that perfectly encapsulates the heart of winter in Newburyport.

December Temperature in Newburyport

In Newburyport, December ushers in the heart of winter with temperatures that can dip as low as -20°C (-3°F) at night, showcasing the season's chill. The average temperature hovers around 1°C (34°F), providing a stark contrast to the mild fall months that precede it. As the month progresses, daytime highs reach up to 16°C (61°F), offering occasional reprieves from the cold. This trend of stark fluctuations encapsulates the winter transition: from the biting cold of night to the moderately milder afternoons, reminding residents of the idyllic yet brisk beauty of a New England winter.

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

The chart illustrates December temperature patterns in Newburyport, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec303237475768737366564333
Data source: Temperature data for Newburyport 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.

December Precipitation in Newburyport

In December, Newburyport experiences a notable shift in precipitation, with 121 mm (4.8 in) recorded over 10 days. This amount places December in the upper range of the monthly totals for the year, following the trend set by April and October, which also bring significant rain. As the year wraps up, the city's weather reflects a combination of late autumn chill and increasing winter moisture, highlighted by a consistent pattern of precipitation across the month. Notably, despite the colder temperatures, December’s rainfall appears less frequent than earlier colder months, such as February and April, yet still plays a crucial role in the annual climate cycle, ensuring the landscape remains vibrant even as the year draws to a close.

December Precipitation Trends in Newburyport

The chart displays monthly precipitation patterns in Newburyport, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7189871318388127707513198121
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Newburyport

In December, Newburyport experiences a humidity level of 81%, which reflects a slight decrease from the 84% observed in November. As the year progresses from January's peak of 86% humidity down to the summer months, the city generally sees a downward trend, with the lowest levels in July and August at 67% and 66%, respectively. However, as autumn sets in, humidity levels rise again, peaking in the late fall before slightly declining in December. This pattern indicates a seasonal rhythm, where colder months bring higher humidity, contrasting with the drier, warmer summer. Overall, December's humidity underscores the transition from fall to winter, capturing Newburyport's unique climatic character.

December Average Humidity in Newburyport

This chart illustrates the average monthly humidity levels in Newburyport, 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.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Newburyport

In December, Newburyport experiences a significant dip in UV exposure, with the UV Index dropping to a low level of 2. This lower index translates to an extended burn time of 45 minutes, making it a comfortable month for outdoor activities without worrying too much about sun damage. This trend marks a notable contrast to the peak summer months, where the UV Index soared to levels of 9 and 10, necessitating brief sun exposure to avoid burns. As winter sets in, residents can enjoy the seasonal changes with less concern for UV radiation, underscoring the importance of being mindful of seasonal trends while planning outdoor adventures. For a closer look at the details, check the complete guide at Newburyport UV Index.

Maximum UV Index Levels in Newburyport for December

The chart shows the monthly maximum UV Index (UVI) for Newburyport 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.
JanFebMarAprMayJunJulAugSepOctNovDec2558910997632
Data source: Newburyport 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 Newburyport

As December arrives in Newburyport, the days begin to shrink, bringing a modest 177 hours of sunlight—a notable decrease from the vibrant summer months. The sunshine peaks in July with an impressive 335 hours, followed closely by August, where residents bask in 333 hours of radiant warmth. This gradual transition from summer's bounty to winter's embrace is evident as the year winds down; sunlight dwindles sharply in October and November, reflecting a seasonal shift. Interestingly, while December's sunlight marks a decline, it still stands above January’s meager 153 hours, suggesting that even in winter, Newburyport retains a glimmer of brightness, promising hope for the longer days to come.

Monthly Sunshine Duration in Newburyport: December Highlighted

The December sunshine duration represents the total number of hours Newburyport 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.
JanFebMarAprMayJunJulAugSepOctNovDec153h186h255h240h291h327h335h333h280h221h198h177h
Data source: Newburyport December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Newburyport During December

In December, Newburyport experiences a 33% chance of sunny weather, reflecting a notable dip in sunshine compared to the preceding month of November, which boasts a 55% likelihood. This trend of waning sunshine continues from fall into winter, as December ranks among the months with the least sunny days. Prior months show more variability, with March peaking at 61% but quickly declining through the summer, where the chances drop to as low as 31% in August. As the year winds down, the overall pattern indicates that while December may lack the brightness of earlier months, it still holds the subtle charm of winter's crisp, clear skies, albeit less frequently illuminated by the sun.

Percentage of Sunny Days in December in Newburyport

The chart illustrates the percentage of sunny days in Newburyport 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 Newburyport experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%35%61%40%37%40%32%31%43%38%55%33%
Data source: Newburyport December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Newburyport in December

As December settles over Newburyport, residents experience a return to shorter days, with daylight lasting just 9 hours. This aligns with the gradual decline in daylight that begins after the peak of 15 hours in June. Following the vibrant long days of summer, the rhythm of light winds down through autumn, reaching its lowest point in both November and December. Interestingly, while the trend reflects a cycle of diminishing daylight, the return of longer days will soon follow, offering a glimpse of brightness in the cold winter months ahead.

Average Daylight Hours in Newburyport for December

The chart illustrates the variation in daylight duration in Newburyport throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 25m10h 32m11h 57m13h 25m14h 39m15h 15m14h 55m13h 49m12h 26m10h 59m9h 43m9h 4m
Data source: Newburyport daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Newburyport

As December settles in Newburyport, the briskness of winter is palpable, with average wind speeds holding steady at 3.5 m/s (8 mph). This month's winds reflect a similar calmness seen in preceding months like November and October, demonstrating a slight dip from the higher gusts of earlier spring, where winds reached 4.2 m/s (9 mph) in March. The overall trend for the winter months hints at a cooling breeze, providing a gentle reminder of the season's arrival. With wind speeds gently tapering off through the summer months, December's consistency mirrors the serene yet invigorating atmosphere that characterizes Newburyport's coastal charm during this time of year.

Average December Wind Speed in Newburyport

The chart displays monthly wind speed patterns in Newburyport, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.73.64.23.73.53.32.92.73.23.53.53.5 m/s
Data source: Newburyport December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Newburyport Compares to Other Months

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

In December, temperatures range from a minimum of -20°C (-3°F) to a maximum of 16°C (61°F), with an average of 1°C (34°F). The month experiences 121 mm (4.8 in) of precipitation over approximately 10 days, accompanied by a humidity level of 81%. In contrast, January sees slightly colder weather, with minimum temperatures dipping to -21°C (-5°F) and an average temperature of -1°C (30°F). However, the maximum temperature can reach up to 19°C (66°F). Precipitation decreases to 71 mm (2.8 in) over 8 days, while humidity slightly rises to 86%. For more details on January weather patterns, you can check out Newburyport weather in January.

December and February showcase a transition in winter weather patterns. December experiences a wider temperature range, with minimums dropping to -20°C (-3°F) and an average of 1°C (34°F), while February's temperatures are slightly milder, averaging around 0°C (32°F) with a maximum of 20°C (68°F). Precipitation in December is higher, totaling 121 mm (4.8 in) over approximately 10 days, compared to February's 89 mm (3.5 in) across 11 days, indicating a slightly drier month. Additionally, February's humidity is a touch above December's, at 84% compared to December's 81%. For more detailed insights into February weather, you can check Newburyport weather in February.

In December, temperatures can plunge as low as -20°C (-3°F), with an average of around 1°C (34°F) and a maximum reaching 16°C (61°F). The month experiences significant precipitation, totaling 121 mm (4.8 in) over about 10 days, with humidity levels averaging 81%. In contrast, March brings slightly milder conditions, with minimum temperatures of -15°C (5°F), an average of 3°C (37°F), and a maximum of 20°C (68°F). Precipitation decreases to 87 mm (3.4 in) over 9 days, while humidity remains comparable at 82%. For more detailed insights into March weather, check out Newburyport weather in March.

December and April present quite contrasting weather conditions. In December, the average temperature hovers around 1°C (34°F), with extremes that can plunge to a chilling -20°C (-3°F), resulting in a frigid atmosphere with 121 mm (4.8 in) of precipitation over about 10 days. The humidity is relatively high at 81%, adding to the cold's bite. In stark contrast, April showcases a more temperate climate, with an average temperature of 8°C (47°F) and maximum highs reaching 28°C (82°F). While it sees slightly more precipitation at 131 mm (5.2 in) over 13 days, the humidity remains comparable at 80%. For a deeper insight into the nuances of April weather, check out Newburyport weather in April.

December and May present contrasting weather patterns, highlighting the shift from winter to spring. In December, temperatures can plunge as low as -20°C (-3°F), with an average of 1°C (34°F) and occasional highs reaching 16°C (61°F). The month experiences about 121 mm (4.8 in) of precipitation over 10 days, combined with a high humidity level of 81%, creating a damp and chilly atmosphere.

In stark contrast, May brings milder temperatures, with lows around 2°C (37°F), average temperatures of 14°C (58°F), and maximums reaching a pleasant 31°C (89°F). While it sees slightly less precipitation at 83 mm (3.3 in) over 11 days, the humidity drops to 72%, resulting in a more comfortable spring climate. For more details on the delightful weather conditions during this month, visit Newburyport weather in May.

December and June present contrasting weather conditions. In December, temperatures can plummet to a chilling minimum of -20°C (-3°F), with an average temperature around 1°C (34°F) and occasional highs reaching 16°C (61°F). The month experiences significant precipitation of 121 mm (4.8 in) over 10 days, coupled with an 81% humidity level, contributing to a cold and damp atmosphere. In sharp contrast, June welcomes milder conditions with a minimum temperature of 7°C (45°F) and an average of 20°C (68°F), peaking at a warm 33°C (92°F). Although June has slightly less precipitation at 88 mm (3.5 in) over 11 days, it benefits from lower humidity at 72%, creating a much more pleasant and comfortable climate. For more specifics, you can check Newburyport weather in June.

December and July present stark contrasts in weather. In December, temperatures can plummet to a chilling minimum of -20°C (-3°F), with an average near freezing at 1°C (34°F) and a maximum of 16°C (61°F). This month also experiences significant precipitation, with about 121 mm (4.8 in) spread over 10 days, resulting in high humidity levels at 81%. In contrast, July is characterized by much warmer temperatures, with a minimum of 14°C (57°F), an average of 23°C (73°F), and a maximum soaring to 34°C (94°F). Despite slightly higher total precipitation at 127 mm (5.0 in) over 12 days, July enjoys less humidity, measured at 67%. For more specific insights on July weather, you can check Newburyport weather in July.

In December, temperatures can plunge to a minimum of -20°C (-3°F), with an average of around 1°C (34°F) and a maximum of 16°C (61°F), making it one of the coldest months of the year. With an average humidity of 81% and around 121 mm (4.8 in) of precipitation over 10 days, the month is often marked by a chilly, damp atmosphere. In stark contrast, August sees much milder weather, with temperatures ranging from a minimum of 12°C (54°F) to an average of 23°C (73°F) and highs reaching up to 34°C (93°F). The humidity is lower at 66%, and the month receives about 70 mm (2.8 in) of precipitation over 10 days, providing a warm and more comfortable climate. For more information on August weather, visit Newburyport weather in August.

December and September present starkly contrasting weather conditions. In December, temperatures plummet, with a minimum of -20°C (-3°F) and an average of just 1°C (34°F), resulting in a chilly atmosphere, especially compared to September's more moderate conditions, where temperatures range from a minimum of 6°C (43°F) to a comfortable average of 19°C (66°F). While December sees higher precipitation levels of 121 mm (4.8 in) over 10 days, September enjoys a drier climate with only 74 mm (2.9 in) falling over 8 days. Additionally, September's humidity is slightly lower at 71%, compared to December's 81%, making September feel more pleasant overall. For a closer look at September's delightful weather, check out Newburyport weather in September.

December weather is distinctly colder than October, with average temperatures hovering around 1°C (34°F), compared to a milder average of 13°C (56°F) in October. While both months experience significant precipitation, October sees slightly higher rainfall at 131 mm (5.1 in) compared to December's 121 mm (4.8 in), albeit with a similar number of rainy days. Humidity levels are somewhat higher in December at 81%, which can make the colder temperatures feel even more biting. For a closer look at the climate in October, you can visit Newburyport weather in October.

In comparison to November, December brings considerably colder temperatures, with a minimum of -20°C (-3°F) compared to November's milder minimum of -11°C (12°F). The average temperature in December is 1°C (34°F), while November averages 6°C (43°F). Interestingly, December experiences a wider range of daily temperatures, peaking at 16°C (61°F) compared to November’s maximum of 22°C (72°F). Precipitation levels are slightly higher in December with 121 mm (4.8 in) over 10 days, compared to November's 98 mm (3.9 in) also over 10 days. Humidity remains relatively high in both months, with December at 81% and November at 84%. For more insights on November weather, you can refer to Newburyport weather in November.

Compare Newburyport's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Newburyport

As December sets in, Newburyport experiences a notable shift in weather, marked by a blend of cold temperatures and increased humidity. Unlike the warmer months, the days grow shorter and the air crisper, with a significant drop in temperature that can plunge as low as -20°C. This month sees about 121 mm of precipitation spread over 10 days, often manifesting as rain or even the season's first snow flurries. The 81% humidity adds to the chill, making it feel even colder than it is. This atmospheric change leads to a distinctively wintery feel in the city, transforming the landscape into a picturesque scene. For more insights into how December fits into the yearly cycle, explore Newburyport Climate.