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December Weather in Cedar Hill, United States

Last updated: June 24, 2025

In Cedar Hill, United States, the average temperature in December hovers around 4°C (40°F). While conditions can vary significantly, temperatures can dip as low as -15°C (5°F) or rise to a comfortable 25°C (77°F). Expect about 60 mm (2.4 in) of precipitation spread over 7 days, with an average humidity of a brisk 86%. Stay prepared for fluctuating weather in this vibrant time of year!

December Temperature in Cedar Hill

In December in Cedar Hill, the average temperature is 4°C (40°F). Maximums can reach 25°C (77°F), while minimums can drop as low as -15°C (5°F). Be prepared for a wide range of temperatures when traveling during this time, and pack accordingly.

December Weather in Cedar Hill: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Cedar Hill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cedar Hill, December typically has an average temperature of 4°C (40°F), with highs reaching up to 25°C (77°F) and lows dropping to around -15°C (5°F).
JanFebMarAprMayJunJulAugSepOctNovDec333647556676797672594540
Data source: Temperature data for Cedar Hill 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 Cedar Hill

In Cedar Hill in December, the precipitation amount is 60 mm (2.4 in) over the course of 7 days.

December Precipitation Trends in Cedar Hill

The chart displays monthly precipitation patterns in Cedar Hill, 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 Cedar Hill, December typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec75851291301478991127631077060
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Cedar Hill

In Cedar Hill in December humidity is 86%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel cumbersome as you navigate through a thick, heavy air that clings to your skin.

December Average Humidity in Cedar Hill

This chart illustrates the average monthly humidity levels in Cedar Hill, 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 Cedar Hill is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Cedar Hill

In Cedar Hill 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 Cedar Hill, you can check the information here.

Maximum UV Index Levels in Cedar Hill for December

The chart shows the monthly maximum UV Index (UVI) for Cedar Hill 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 Cedar Hill typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101110109753
Data source: Cedar Hill 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 Cedar Hill Compares to Other Months

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

This table compares monthly weather conditions in Cedar Hill, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)75 mm (3.0 inches)82%moderate
February Weather2°C (37°F)85 mm (3.3 inches)80%moderate
March Weather9°C (48°F)129 mm (5.1 inches)80%high
April Weather13°C (55°F)130 mm (5.1 inches)80%very high
May Weather19°C (66°F)147 mm (5.8 inches)82%very high
June Weather24°C (76°F)89 mm (3.5 inches)83%extreme
July Weather26°C (80°F)91 mm (3.6 inches)81%very high
August Weather24°C (76°F)127 mm (5.0 inches)80%very high
September Weather22°C (72°F)63 mm (2.5 inches)76%very high
October Weather15°C (59°F)107 mm (4.2 inches)76%high
November Weather7°C (45°F)70 mm (2.8 inches)85%moderate
December Weather4°C (40°F)60 mm (2.4 inches)86%moderate

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