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December Weather in Swansboro, United States

Last updated: June 24, 2025

In December, the average temperature in Swansboro, United States hovers around 11°C (52°F), creating a mild atmosphere. However, temperatures can vary significantly, dipping as low as -4°C (25°F) and soaring up to a pleasant 24°C (75°F). Expect about 128 mm (5.0 in) of precipitation spread over 10 days, contributing to the region's characteristic 84% humidity.

December Temperature in Swansboro

In December in Swansboro, the average temperature is 11°C (52°F). The maximum can reach 24°C (75°F), while the minimum can be as low as -4°C (25°F). Be prepared for a wide range of weather conditions when traveling during this time.

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

The chart illustrates December temperature patterns in Swansboro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Swansboro, December typically has an average temperature of 11°C (52°F), with highs reaching up to 24°C (75°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec485355637277818076695651
Data source: Temperature data for Swansboro 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 Swansboro

In Swansboro in December, the total precipitation amount is 128 mm (5.0 in) recorded over a span of 10 days.

December Precipitation Trends in Swansboro

The chart displays monthly precipitation patterns in Swansboro, 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. In Swansboro, December typically receives around 128 mm (5.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec701107110511717114218721871100128
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Swansboro

In Swansboro in December, humidity is 84%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket, making it uncomfortable for traveling as the dampness clings to your skin and can leave you feeling sluggish and fatigued.

December Average Humidity in Swansboro

This chart illustrates the average monthly humidity levels in Swansboro, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Swansboro is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%81%80%80%81%82%83%83%80%80%83%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Swansboro

In Swansboro in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Swansboro for better planning.

Maximum UV Index Levels in Swansboro for December

The chart shows the monthly maximum UV Index (UVI) for Swansboro 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. In December, the maximum UV index in Swansboro typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109854
Data source: Swansboro 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.

How December Weather in Swansboro Compares to Other Months

Weather in Swansboro varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Swansboro, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Swansboro, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)69 mm (2.7 inches)84%moderate
February Weather11°C (53°F)110 mm (4.3 inches)81%high
March Weather13°C (56°F)71 mm (2.8 inches)80%very high
April Weather17°C (64°F)105 mm (4.1 inches)80%very high
May Weather22°C (72°F)117 mm (4.6 inches)81%extreme
June Weather25°C (77°F)171 mm (6.7 inches)82%extreme
July Weather27°C (81°F)142 mm (5.6 inches)83%extreme
August Weather27°C (80°F)187 mm (7.4 inches)82%very high
September Weather25°C (77°F)218 mm (8.6 inches)80%very high
October Weather20°C (69°F)71 mm (2.8 inches)79%very high
November Weather13°C (56°F)100 mm (3.9 inches)83%moderate
December Weather11°C (52°F)128 mm (5.0 inches)84%moderate

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