December Weather in Newport, United States

Last updated: February 24, 2025

December in Newport, United States, presents a characteristic winter chill with maximum temperatures reaching 16°C (61°F) and an average of 4°C (39°F). The month can be quite brisk, with minimum temperatures dipping to -13°C (9°F), making it essential for residents and visitors to bundle up. Precipitation is frequent during this time, accumulating to 147 mm (5.8 in) over 11 days, contributing to the region's 80% humidity. Whether you're strolling along the coastal pathways or cozying up indoors, December in Newport offers a unique blend of weather challenges and picturesque winter scenes.

December Temperature in Newport

In December, Newport experiences a notable transition into winter, with temperatures dipping markedly from the milder fall months. The average temperature hovers around 4°C (39°F), signaling the cold's arrival, while minimums can plunge to -13°C (9°F). Relative to the preceding months, December marks a downward trend, as the warmth of November gives way to frosty nights and brisk days. Daytime highs reach a modest 16°C (61°F), offering just a taste of winter's chill, yet still allowing for moments of respite. This shift prompts residents and visitors alike to embrace cozy indoor activities and festive celebrations, marking the holiday season amidst Newport's crisp air.

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

The chart illustrates December temperature patterns in Newport, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec353638465464727267594839
Data source: Temperature data for Newport 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 Newport

In Newport, December brings a significant amount of precipitation, averaging 147 mm (5.8 in), making it one of the wetter months of the year alongside April. With rainfall occurring over 11 days, the month falls in line with the trend of increased precipitation during the latter part of the year, particularly notable since October’s rainfall peaks at 169 mm (6.7 in). Interestingly, while both December and April share the same precipitation total, the number of rainy days in December is slightly lower, indicating that the rainfall may come in heavier bursts. This wet conclusion to the year reflects the overall pattern of increasing rainfall from summer's drier months to the winter season, setting a drizzly stage for the new year.

December Precipitation Trends in Newport

The chart displays monthly precipitation patterns in Newport, 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.
JanFebMarAprMayJunJulAugSepOctNovDec9612111914713310410489110169117147
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Newport

In December, Newport experiences a humility level of 80%, continuing the trend set in November. While the year starts off with higher humidity levels of 84% in January and February, the months gradually see a slight decline, reaching a low of 75% by September and maintaining this level through October. As the year draws to a close, humidity rises again, suggesting a more humid atmosphere typical of winter months. The consistency seen in December's humidity reflects Newport's maritime climate, where coastal influences keep moisture levels relatively high, ensuring a damp yet comforting ambiance as the holiday season approaches.

December Average Humidity in Newport

This chart illustrates the average monthly humidity levels in Newport, 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 Newport

As the year winds down, December in Newport, United States, brings a noticeable dip in ultraviolet (UV) radiation, with an UV Index of 2, categorized as low. This decrease follows a robust summer, where high UV levels peaked at 10 in June and remained very high throughout July and August. Interestingly, the trend highlights a gradual easing of UV exposure from the spring months, marked by a significant drop from a moderate UV Index of 5 in February to this milder index by December. Consequently, while the winter sun may call you outdoors, the extended burn time of 45 minutes offers ample opportunity for outdoor enjoyment with minimal risk of sunburn. For more information on UV levels throughout the year, check out Newport UV Index.

Maximum UV Index Levels in Newport for December

The chart shows the monthly maximum UV Index (UVI) for Newport 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.
JanFebMarAprMayJunJulAugSepOctNovDec3568910998642
Data source: Newport 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 Newport

In Newport, United States, December offers a transition into the colder months, averaging 176 hours of sunshine. While this marks a decrease from the sun-drenched peak of 347 hours in July, it is still a respectable figure compared to the earlier winter months. Notably, sunshine begins to creep upward as winter approaches, particularly when viewed against November's 207 hours, hinting at a slight reprieve before the heart of winter settles in. As sunlight gradually wanes from the vibrant summer months, December's golden rays infuse the holiday season with a sense of warmth and welcome, reminding visitors that even in the chill of winter, Newport still basks in the beauty of the sun.

Monthly Sunshine Duration in Newport: December Highlighted

The December sunshine duration represents the total number of hours Newport 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.
JanFebMarAprMayJunJulAugSepOctNovDec150h188h261h250h295h326h347h329h282h230h207h176h
Data source: Newport December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Newport During December

In December, Newport’s chance of sunny weather dips to 32%, a notable decline as the year draws to a close. This trend mirrors the generally cooler and wetter climate of winter, especially when compared to the more promising sunlit months of March (61%) and November (55%). As we transition from fall to winter, the likelihood of sun decreases steadily, with December standing out as one of the cloudier months. With only a slim chance of basking in sunshine, visitors and locals alike may want to prepare for more overcast days, making the allure of indoor winter activities even more appealing.

Percentage of Sunny Days in December in Newport

The chart illustrates the percentage of sunny days in Newport 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 Newport experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec46%31%61%45%41%39%40%33%47%44%55%32%
Data source: Newport December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Newport in December

As December arrives in Newport, daylight wanes to a modest nine hours, mirroring its counterpart in January. This seasonal dip reflects the broader trend of diminishing light as autumn transitions into winter. Throughout the year, daylight hours peak in June with a full fifteen hours, gradually tapering off as we head into the colder months. The trend showcases a gentle ebb and flow, starting from a wholesome ten hours in February and reaching a bright fourteen hours in May and July, before retreating back to the early winter's nine. As the year comes to a close, Newport's residents and visitors experience the coziness of shorter days, ideal for enjoying the city's holiday charms.

Average Daylight Hours in Newport for December

The chart illustrates the variation in daylight duration in Newport throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 32m10h 36m11h 58m13h 21m14h 32m15h 7m14h 48m13h 45m12h 25m11h 2m9h 49m9h 12m
Data source: Newport daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Newport

As winter descends upon Newport in December, the average wind speed registers at 5.6 m/s (13 mph), marking a slight increase from the calmer summer months. This uptick in wind velocity reflects a transition from the gentle breezes of July and August, which saw average speeds dip to their lowest points of 4.3 m/s (10 mph) and 4.2 m/s (9 mph), respectively. The winds gradually pick up again as the year progresses, particularly noticeable in the fall months of October and November, where the speeds hover around 5.7 m/s (13 mph). The resilience of the December winds serves as a reminder of the seasonal shifts, offering a refreshing chill that complements the scenic coastal views of Newport during the festive season.

Average December Wind Speed in Newport

The chart displays monthly wind speed patterns in Newport, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.15.95.95.55.35.14.34.25.15.75.75.6 m/s
Data source: Newport December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Newport Compares to Other Months

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

December typically offers a wider range of temperatures, with a minimum of -13°C (9°F) and a maximum reaching up to 16°C (61°F), resulting in an average of 4°C (39°F). In contrast, January sees even colder nights, with temperatures dropping to a low of -17°C (2°F) and an average of just 1°C (35°F). While December experiences more precipitation (147 mm or 5.8 in over 11 days), January has less with 95 mm (3.8 in) over 9 days, although the humidity remains relatively high at 84%. Overall, January tends to be colder and drier than December. For more details, check out Newport weather in January.

December and February exhibit distinct weather patterns, though they share some similarities. In December, temperatures range from a chilly minimum of -13°C (9°F) to a mild maximum of 16°C (61°F), with an average of 4°C (39°F). The month sees substantial precipitation, totaling 147 mm (5.8 in) over 11 days, and a humidity level of 80%. In contrast, February tends to be slightly colder, with a minimum temperature of -14°C (7°F) and a maximum of 12°C (54°F), averaging at 2°C (36°F). While it experiences a little less precipitation at 121 mm (4.8 in) over 12 days, the humidity rises slightly to 84%. For a more detailed overview of February weather, you can check out Newport weather in February.

In comparing December and March weather, both months experience similar average temperatures, with December averaging around 4°C (39°F) and March slightly cooler at 3°C (39°F). However, December tends to have a wider temperature range, with minimum temperatures dropping as low as -13°C (9°F) compared to March's minimum of -9°C (16°F). Precipitation is more abundant in December, totaling 147 mm (5.8 in) over 11 days, versus March's 119 mm (4.7 in) over 10 days. Humidity levels are also comparable, with December at 80% and March slightly higher at 82%. For further details on what to expect during March, check out Newport weather in March.

December and April present contrasting weather conditions. In December, temperatures range from a chilly -13°C (9°F) to a milder max of 16°C (61°F), with an average of 4°C (39°F). The month experiences around 147 mm (5.8 in) of precipitation over 11 days, combined with a high humidity level of 80%. In contrast, April warms up slightly, with minimum temperatures at 0°C (32°F) and maximums reaching 17°C (64°F), averaging around 8°C (46°F). Similar to December, April also has a total rainfall of 147 mm (5.8 in) but sees slightly more precipitation days at 12, accompanied by a slightly lower humidity of 79%. For more detailed information, check out Newport weather in April.

In comparing the weather of December and May, we see notable differences in temperature and precipitation patterns. December experiences colder temperatures, ranging from a minimum of -13°C (9°F) to a maximum of 16°C (61°F), while May offers a milder climate with minimums of 4°C (39°F) and maximums reaching 22°C (72°F). Additionally, December is marked by higher humidity at 80% and significant precipitation levels of 147 mm (5.8 in) over 11 days, as opposed to May's relatively moderate precipitation of 132 mm (5.2 in) spread over 14 days and its lower humidity of 75%. For more details on May's weather, you can visit Newport weather in May.

In December, the weather is notably colder, with temperatures ranging from a minimum of -13°C (9°F) to a maximum of 16°C (61°F), and an average of 4°C (39°F). The month sees significant precipitation of 147 mm (5.8 in) over about 11 days, coupled with a high humidity level of 80%. In contrast, June experiences much milder conditions, with temperatures varying from a minimum of 11°C (51°F) to a comfortable maximum of 25°C (78°F), averaging around 18°C (64°F). This month has less precipitation at 104 mm (4.1 in) over 10 days and slightly lower humidity at 78%. For more details on June weather, you can check Newport weather in June.

In December, temperatures can drop to as low as -13°C (9°F), with an average of 4°C (39°F) and a maximum of 16°C (61°F). The month is characterized by high humidity at 80% and considerable precipitation of 147 mm (5.8 in) over 11 days. In contrast, July features much warmer conditions, with minimum temperatures around 15°C (60°F), averaging 22°C (72°F), and peaking at 29°C (84°F). Precipitation is lower in July at 104 mm (4.1 in), also occurring over 11 days, but with slightly lower humidity at 76%. For a detailed look at the weather patterns for that summer month, check out Newport weather in July.

In December, the weather reveals a stark contrast to that of August. With temperatures ranging from a chilly -13°C (9°F) to a mild 16°C (61°F) and an average of 4°C (39°F), December experiences considerably colder conditions. Additionally, this month brings higher precipitation, averaging 147 mm (5.8 in) over 11 days, and higher humidity at 80%. In contrast, August boasts a more temperate climate, with minimum temperatures of 16°C (61°F), averages around 22°C (73°F), and maximums reaching 28°C (83°F). Precipitation in August is also lower, totaling 89 mm (3.5 in) over just 10 days, alongside slightly lower humidity levels at 76%. For a closer look at how August weather feels, visit Newport weather in August.

December weather is marked by much colder temperatures, with minimums dropping to -13°C (9°F) and an average around 4°C (39°F), compared to the more moderate September temperatures, which range from a minimum of 11°C (52°F) to a maximum of 27°C (80°F). Precipitation is slightly higher in December at 147 mm (5.8 in), occurring over 11 days, while September sees 110 mm (4.3 in) of rain over just 10 days. The humidity is also a bit higher in December at 80%, in contrast to September’s 75%, making December feel much crisper. For more detailed insights, you can check Newport weather in September.

In comparing the weather of December and October, it’s clear that October experiences milder temperatures, with minimums around 3°C (37°F) and average highs reaching up to 23°C (74°F), while December’s temperatures can drop significantly, with a minimum of -13°C (9°F) and average highs only reaching 16°C (61°F). Additionally, October tends to be drier, receiving about 169 mm (6.7 in) of precipitation across 13 days, compared to December's 147 mm (5.8 in) across 11 days. Humidity levels are also slightly lower in October at 75%, compared to December's 80%. For more detailed information, you can visit Newport weather in October.

December weather exhibits a notable chill compared to November, with minimum temperatures dropping to -13°C (9°F) versus November's milder low of -7°C (20°F). While the average temperatures in December hover around 4°C (39°F), November maintains a slightly warmer average of 9°C (48°F). Precipitation is also higher in December at 147 mm (5.8 in) over 11 days, compared to November's 117 mm (4.6 in) across 10 days. Both months share a consistent humidity level of 80%, but December's colder temperatures create a more pronounced winter feel. For more detailed information on November weather, you can visit Newport weather in November.

Compare Newport's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Newport

As December unfolds in Newport, the weather presents a distinctive chill compared to other months, with daytime temperatures dipping significantly and nighttime lows plunging into frosty ranges. The increased humidity and notable precipitation add a moody backdrop to the season, making it quite different from the milder, drier days of summer. While the city wears a blanket of cozy blankets, December invites residents and visitors alike to embrace the brisk atmosphere and potential for wintry delights. For a more comprehensive overview of Newport's climatic patterns throughout the year, check out Newport Climate.