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December Weather in Southport, United States

Last updated: June 24, 2025

In December, the average temperature in Southport, United States hovers around 1°C (35°F). Expect chilling lows of -16°C (3°F) and mild highs of 14°C (57°F). Be prepared for 137 mm (5.4 in) of precipitation spread over 11 days, coupled with an average humidity of 81%. Dress warmly and carry an umbrella to make the most of this winter month!

December Temperature in Southport

In December in Southport, the average temperature is 1°C (35°F). Maximums can reach 14°C (57°F), while minimums can drop as low as -16°C (3°F). Travelers should be prepared for chilly conditions and pack accordingly to enjoy all that Southport has to offer.

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 1°C (35°F), with highs reaching up to 14°C (57°F) and lows dropping to around -16°C (3°F).
JanFebMarAprMayJunJulAugSepOctNovDec303134425059666762544335
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 total precipitation amount reaches 137 mm (5.4 in) over a span of 11 days.

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 137 mm (5.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec96988513982711007181150122137
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 81%. With an average temperature of 1°C (35°F), this humidity feels like a thick, cold blanket wrapping around you, making travel uncomfortable and the air heavy, which can dampen your spirits as you navigate through the chilly conditions.

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 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%84%79%79%86%85%83%80%77%80%81%
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.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
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-1°C (31°F)96 mm (3.8 inches)85%low
February Weather0°C (31°F)98 mm (3.8 inches)86%moderate
March Weather1°C (35°F)85 mm (3.3 inches)84%moderate
April Weather6°C (43°F)139 mm (5.5 inches)79%high
May Weather10°C (50°F)82 mm (3.2 inches)79%very high
June Weather15°C (59°F)71 mm (2.8 inches)86%very high
July Weather19°C (66°F)100 mm (3.9 inches)85%very high
August Weather20°C (67°F)71 mm (2.8 inches)83%very high
September Weather17°C (62°F)81 mm (3.2 inches)80%high
October Weather12°C (55°F)150 mm (5.9 inches)77%moderate
November Weather6°C (44°F)122 mm (4.8 inches)80%moderate
December Weather1°C (35°F)137 mm (5.4 inches)81%low

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