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December Weather in Winnsboro, United States

Last updated: June 24, 2025

In December, the average temperature in Winnsboro, United States hovers around 11°C (51°F). Expect chilly nights with a minimum of -5°C (24°F), while daytime can warm up to a comfortable 27°C (81°F). With an average humidity of 87% and a total precipitation of 107 mm (4.2 in) across 7 days, be prepared for some damp weather!

December Temperature in Winnsboro

In December in Winnsboro, the average temperature is 11°C (51°F), with maximums reaching up to 27°C (81°F) and minimums dropping as low as -5°C (24°F). This varied climate makes it essential for travelers to pack layers to stay comfortable in changing weather conditions.

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

The chart illustrates December temperature patterns in Winnsboro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Winnsboro, December typically has an average temperature of 11°C (51°F), with highs reaching up to 27°C (81°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec474959647380838378675651
Data source: Temperature data for Winnsboro 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 Winnsboro

In Winnsboro in December, the total precipitation amount is 107 mm (4.2 in), recorded over a period of 7 days.

December Precipitation Trends in Winnsboro

The chart displays monthly precipitation patterns in Winnsboro, 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 Winnsboro, December typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec1001471301751719775769012967107
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Winnsboro

In Winnsboro in December humidity is 87%. With an average temperature of 11°C (51°F), this humidity feels like a damp chill wrapping around you, making outdoor excursions a bit uncomfortable as the air feels thick and heavy, urging you to seek shelter more often than not.

December Average Humidity in Winnsboro

This chart illustrates the average monthly humidity levels in Winnsboro, 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 Winnsboro is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Winnsboro

In Winnsboro 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 Winnsboro for better planning.

Maximum UV Index Levels in Winnsboro for December

The chart shows the monthly maximum UV Index (UVI) for Winnsboro 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 Winnsboro typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
Data source: Winnsboro 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 Winnsboro Compares to Other Months

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

This table compares monthly weather conditions in Winnsboro, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)100 mm (3.9 inches)80%moderate
February Weather9°C (49°F)147 mm (5.8 inches)79%high
March Weather15°C (60°F)130 mm (5.1 inches)78%very high
April Weather18°C (64°F)175 mm (6.9 inches)78%very high
May Weather23°C (73°F)171 mm (6.7 inches)81%extreme
June Weather27°C (80°F)97 mm (3.8 inches)78%extreme
July Weather29°C (84°F)75 mm (2.9 inches)73%extreme
August Weather29°C (84°F)76 mm (3.0 inches)66%extreme
September Weather26°C (79°F)90 mm (3.5 inches)65%very high
October Weather20°C (68°F)129 mm (5.1 inches)72%very high
November Weather13°C (56°F)67 mm (2.6 inches)82%high
December Weather11°C (51°F)107 mm (4.2 inches)87%moderate

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