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December Weather in Winston-Salem, United States

Last updated: June 24, 2025

In Winston-Salem, United States, the average temperature in December hovers around 7°C (45°F). Expect a minimum chill of -9°C (17°F) and the possibility of a warm spell peaking at 23°C (74°F). Precipitation can reach 110 mm (4.3 in) over 9 days, while the average humidity is notably high at 87%. Prepare for a mix of brisk and temperate days!

December Temperature in Winston-Salem

In December in Winston-Salem, the average temperature is 7°C (45°F). Maximums can reach 23°C (74°F), and minimums can dip as low as -9°C (17°F). Be prepared for a wide range of temperatures when traveling during this time.

December Weather in Winston-Salem: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Winston-Salem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Winston-Salem, December typically has an average temperature of 7°C (45°F), with highs reaching up to 23°C (74°F) and lows dropping to around -9°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec414652606976807873634945
Data source: Temperature data for Winston-Salem 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 Winston-Salem

In Winston-Salem in December, the precipitation amount is 110 mm (4.3 in) over the course of 9 days.

December Precipitation Trends in Winston-Salem

The chart displays monthly precipitation patterns in Winston-Salem, 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 Winston-Salem, December typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec8611885113120968811713711185110
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Winston-Salem

In Winston-Salem in December, humidity is 87%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures somewhat uncomfortable and urging travelers to seek refuge in cozy cafes or warm indoor activities.

December Average Humidity in Winston-Salem

This chart illustrates the average monthly humidity levels in Winston-Salem, 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 Winston-Salem is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Winston-Salem

In Winston-Salem in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Winston-Salem, you can check the information here.

Maximum UV Index Levels in Winston-Salem for December

The chart shows the monthly maximum UV Index (UVI) for Winston-Salem 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 Winston-Salem typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101110109853
Data source: Winston-Salem 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 Winston-Salem Compares to Other Months

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

This table compares monthly weather conditions in Winston-Salem, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)86 mm (3.4 inches)86%moderate
February Weather8°C (47°F)118 mm (4.6 inches)85%high
March Weather11°C (52°F)85 mm (3.4 inches)84%very high
April Weather16°C (61°F)113 mm (4.5 inches)82%very high
May Weather21°C (69°F)120 mm (4.7 inches)83%very high
June Weather24°C (76°F)96 mm (3.8 inches)82%extreme
July Weather27°C (80°F)88 mm (3.5 inches)80%very high
August Weather25°C (78°F)117 mm (4.6 inches)74%very high
September Weather23°C (73°F)137 mm (5.4 inches)75%very high
October Weather17°C (64°F)111 mm (4.4 inches)79%very high
November Weather9°C (49°F)85 mm (3.3 inches)87%moderate
December Weather7°C (45°F)110 mm (4.3 inches)87%moderate

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