December Weather in Cadillac, United States

Last updated: June 24, 2025

In December, the average temperature in Cadillac, United States hovers around -3°C (28°F). However, be prepared for a wide range: temperatures can dip as low as -21°C (-6°F) and rise to a maximum of 14°C (58°F). With an average precipitation of 70 mm (2.7 in) spread across 14 days, expect some wet weather, complemented by a high average humidity of 87%.

December Temperature in Cadillac

In December in Cadillac, the average temperature is -3°C (28°F), with maximums reaching 14°C (58°F) and minimums dropping as low as -21°C (-6°F). It's a time for travelers to prepare for bitterly cold conditions, but the occasional warmer day can provide a brief respite from the chill.

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

The chart illustrates December temperature patterns in Cadillac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cadillac, December typically has an average temperature of -3°C (28°F), with highs reaching up to 14°C (58°F) and lows dropping to around -21°C (-6°F).
JanFebMarAprMayJunJulAugSepOctNovDec212231425666716861483427
Data source: Temperature data for Cadillac 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 Cadillac

In Cadillac in December, the precipitation amount is 70 mm (2.7 in) over the course of 14 days.

December Precipitation Trends in Cadillac

The chart displays monthly precipitation patterns in Cadillac, 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 Cadillac, December typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec59606310612411310296871356570
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Cadillac

In Cadillac in December humidity is 87%. With an average temperature of -3°C (28°F), this humidity feels like a biting chill that clings to your skin, making travel quite uncomfortable and forcing you to bundle up extra just to stay warm.

December Average Humidity in Cadillac

This chart illustrates the average monthly humidity levels in Cadillac, 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 Cadillac is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%87%87%82%79%76%76%79%83%86%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Cadillac

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

Maximum UV Index Levels in Cadillac for December

The chart shows the monthly maximum UV Index (UVI) for Cadillac 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 Cadillac typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
Data source: Cadillac 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 Cadillac Compares to Other Months

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

This table compares monthly weather conditions in Cadillac, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)59 mm (2.3 inches)91%low
February Weather-6°C (22°F)60 mm (2.4 inches)91%moderate
March Weather0°C (32°F)63 mm (2.5 inches)87%moderate
April Weather5°C (42°F)106 mm (4.2 inches)87%high
May Weather13°C (56°F)124 mm (4.9 inches)82%very high
June Weather19°C (66°F)113 mm (4.4 inches)79%very high
July Weather22°C (71°F)102 mm (4.0 inches)75%very high
August Weather20°C (68°F)95 mm (3.8 inches)76%very high
September Weather16°C (61°F)87 mm (3.4 inches)79%high
October Weather9°C (49°F)135 mm (5.3 inches)83%moderate
November Weather1°C (35°F)65 mm (2.6 inches)86%moderate
December Weather-3°C (28°F)70 mm (2.7 inches)87%low

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