December Weather in Southport, United States

Last updated: June 24, 2025

In December, the average temperature in Southport, United States hovers around 0°C (32°F), with fluctuations between a chilly -20°C (-5°F) at its lowest and a mild 16°C (62°F) at its peak. Expect around 83 mm (3.2 in) of precipitation over approximately 12 days, coupled with an average humidity of a brisk 85%. Prepare for a month that embodies the essence of winter!

December Temperature in Southport

In December in Southport, the average temperature is 0°C (32°F). Maximum can reach 16°C (62°F) and minimum can be as low as -20°C (-5°F). Be prepared for both chilly and mild weather while exploring Southport during this time of year.

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

The chart illustrates December temperature patterns in Southport, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Southport, December typically has an average temperature of 0°C (32°F), with highs reaching up to 16°C (62°F) and lows dropping to around -20°C (-5°F).
JanFebMarAprMayJunJulAugSepOctNovDec262936465867727063533932
Data source: Temperature data for Southport 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 Southport

In Southport in December, the precipitation amount is 83 mm (3.2 in) spread over 12 days, indicating a relatively wet period.

December Precipitation Trends in Southport

The chart displays monthly precipitation patterns in Southport, 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 Southport, December typically receives around 83 mm (3.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec6787811121269212487941288183
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Southport

In Southport in December, humidity is 85%. With an average temperature of 0°C (32°F), this humidity feels like a damp chill that clings to your clothes, making every step feel more arduous and the air heavy, which can dampen the enthusiasm for exploring the surroundings.

December Average Humidity in Southport

This chart illustrates the average monthly humidity levels in Southport, 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 Southport is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%85%83%75%74%65%62%66%79%87%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Southport

In Southport in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Southport, you can visit Hourly UV Index in Southport.

Maximum UV Index Levels in Southport for December

The chart shows the monthly maximum UV Index (UVI) for Southport 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 Southport typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810101098642
Data source: Southport 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 Southport Compares to Other Months

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

This table compares monthly weather conditions in Southport, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)67 mm (2.6 inches)87%moderate
February Weather-2°C (29°F)87 mm (3.4 inches)85%moderate
March Weather2°C (36°F)81 mm (3.2 inches)85%high
April Weather8°C (47°F)112 mm (4.4 inches)83%very high
May Weather15°C (58°F)126 mm (5.0 inches)75%very high
June Weather19°C (67°F)92 mm (3.6 inches)73%very high
July Weather22°C (72°F)124 mm (4.9 inches)65%very high
August Weather21°C (70°F)87 mm (3.4 inches)62%very high
September Weather17°C (64°F)94 mm (3.7 inches)66%very high
October Weather12°C (54°F)128 mm (5.0 inches)79%high
November Weather4°C (39°F)81 mm (3.2 inches)87%moderate
December Weather0°C (32°F)83 mm (3.2 inches)85%low

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