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December Weather in Mauldin, United States

Last updated: June 24, 2025

In Mauldin, United States, the average temperature in December hovers around 8°C (47°F), providing a cool and refreshing atmosphere. Expect temperatures to range from a chilly -7°C (20°F) at night to a pleasant high of 25°C (77°F) during the day. Rainfall is moderate, with an average of 123 mm (4.8 in) spread over 9 days, contributing to the region's lush greenery. Coupled with an average humidity of 87%, this month presents a unique blend of crisp air and gentle moisture—perfect for outdoor adventures or cozy indoor retreats.

December Temperature in Mauldin

In December in Mauldin, the average temperature is 8°C (47°F), with maximums reaching up to 25°C (77°F) and minimums dropping as low as -7°C (20°F). Be prepared for a wide range of temperatures during your travels, ensuring you pack accordingly for both warm and chilly conditions.

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

The chart illustrates December temperature patterns in Mauldin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mauldin, December typically has an average temperature of 8°C (47°F), with highs reaching up to 25°C (77°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec444954627076807974655147
Data source: Temperature data for Mauldin 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 Mauldin

In Mauldin in December, the precipitation amount is 123 mm (4.8 in) over the course of 9 days.

December Precipitation Trends in Mauldin

The chart displays monthly precipitation patterns in Mauldin, 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 Mauldin, December typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec931331051211378910212813111795123
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mauldin

In Mauldin in December, humidity is 87%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration uncomfortably muggy despite the cool air.

December Average Humidity in Mauldin

This chart illustrates the average monthly humidity levels in Mauldin, 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 Mauldin 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 Mauldin

In Mauldin 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 Mauldin for better planning.

Maximum UV Index Levels in Mauldin for December

The chart shows the monthly maximum UV Index (UVI) for Mauldin 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 Mauldin typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109864
Data source: Mauldin 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 Mauldin Compares to Other Months

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

This table compares monthly weather conditions in Mauldin, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)93 mm (3.7 inches)86%moderate
February Weather10°C (50°F)133 mm (5.2 inches)85%high
March Weather12°C (55°F)105 mm (4.1 inches)84%very high
April Weather17°C (62°F)121 mm (4.8 inches)82%very high
May Weather21°C (71°F)137 mm (5.4 inches)83%extreme
June Weather25°C (77°F)89 mm (3.5 inches)82%extreme
July Weather27°C (80°F)102 mm (4.0 inches)80%extreme
August Weather26°C (79°F)128 mm (5.0 inches)74%very high
September Weather23°C (74°F)131 mm (5.2 inches)75%very high
October Weather18°C (65°F)117 mm (4.6 inches)79%very high
November Weather11°C (51°F)95 mm (3.7 inches)87%high
December Weather8°C (47°F)123 mm (4.8 inches)87%moderate

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