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December Weather in Carrollton, United States

Last updated: June 24, 2025

In December, the average temperature in Carrollton, United States hovers around 2°C (36°F). Expect a chill in the air, with minimums dipping to -16°C (4°F) and occasional highs reaching 18°C (64°F). Be prepared for 100 mm (3.9 in) of precipitation over 11 days, and note that the average humidity is a brisk 86%.

December Temperature in Carrollton

In December in Carrollton, the average temperature is 2°C (36°F). Maximum temperatures can reach 18°C (64°F), while minimums can drop as low as -16°C (4°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates December temperature patterns in Carrollton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carrollton, December typically has an average temperature of 2°C (36°F), with highs reaching up to 18°C (64°F) and lows dropping to around -16°C (4°F).
JanFebMarAprMayJunJulAugSepOctNovDec303441516270757267574136
Data source: Temperature data for Carrollton 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 Carrollton

In Carrollton in December, the precipitation amount is 100 mm (3.9 in) over the course of 11 days.

December Precipitation Trends in Carrollton

The chart displays monthly precipitation patterns in Carrollton, 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 Carrollton, December typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9311210113312713412810511412096100
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Carrollton

In Carrollton in December, humidity is 86%. With an average temperature of 2°C (36°F), this humidity feels like a biting chill that clings to your skin, making outdoor exploration uncomfortable and dampening any enthusiasm for travel.

December Average Humidity in Carrollton

This chart illustrates the average monthly humidity levels in Carrollton, 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 Carrollton is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Carrollton

In Carrollton 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 Carrollton, you can visit Hourly UV Index in Carrollton.

Maximum UV Index Levels in Carrollton for December

The chart shows the monthly maximum UV Index (UVI) for Carrollton 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 Carrollton typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Carrollton 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 Carrollton Compares to Other Months

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

This table compares monthly weather conditions in Carrollton, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)93 mm (3.7 inches)88%moderate
February Weather1°C (34°F)112 mm (4.4 inches)88%moderate
March Weather5°C (41°F)101 mm (4.0 inches)87%high
April Weather10°C (51°F)133 mm (5.3 inches)87%very high
May Weather17°C (62°F)127 mm (5.0 inches)81%very high
June Weather21°C (70°F)133 mm (5.3 inches)83%very high
July Weather24°C (75°F)128 mm (5.0 inches)82%very high
August Weather22°C (73°F)105 mm (4.1 inches)76%very high
September Weather20°C (68°F)114 mm (4.5 inches)77%very high
October Weather14°C (57°F)120 mm (4.7 inches)82%high
November Weather5°C (42°F)96 mm (3.8 inches)89%moderate
December Weather2°C (36°F)100 mm (3.9 inches)86%low

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