nomadseason

December Weather in Dearborn, United States

Last updated: June 24, 2025

In December, the average temperature in Dearborn, United States hovers around 2°C (37°F), offering a chill during this time of year. Temperatures can dip to a frigid -19°C (-3°F) at their lowest, while occasionally climbing to a balmy 23°C (74°F). Expect 36 mm (1.4 in) of precipitation spread over approximately 4 days, coupled with average humidity levels reaching 86%.

December Temperature in Dearborn

In December in Dearborn, the average temperature is 2°C (37°F). Maximums can reach 23°C (74°F), while minimums can be as low as -19°C (-3°F). Be sure to pack layers for your trip, as temperatures can vary significantly throughout the day.

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

The chart illustrates December temperature patterns in Dearborn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dearborn, December typically has an average temperature of 2°C (37°F), with highs reaching up to 23°C (74°F) and lows dropping to around -19°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec303145536577797671564336
Data source: Temperature data for Dearborn generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Dearborn

In Dearborn in December, the precipitation amount is 36 mm (1.4 in) over the course of 4 days.

December Precipitation Trends in Dearborn

The chart displays monthly precipitation patterns in Dearborn, 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 Dearborn, December typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec4835918020211687110771234836
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Dearborn

In Dearborn in December, humidity is 86%. With an average temperature of 2°C (37°F), this humidity feels like a chilly dampness that clings to your clothes and makes outdoor activities quite uncomfortable for traveling.

December Average Humidity in Dearborn

This chart illustrates the average monthly humidity levels in Dearborn, 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 Dearborn is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Dearborn

In Dearborn 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 Dearborn, you can check the information here.

Maximum UV Index Levels in Dearborn for December

The chart shows the monthly maximum UV Index (UVI) for Dearborn 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 Dearborn typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Dearborn 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 Dearborn Compares to Other Months

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

This table compares monthly weather conditions in Dearborn, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)48 mm (1.9 inches)80%moderate
February Weather0°C (32°F)34 mm (1.4 inches)78%moderate
March Weather7°C (46°F)90 mm (3.6 inches)75%high
April Weather12°C (54°F)80 mm (3.2 inches)77%very high
May Weather19°C (66°F)202 mm (7.9 inches)82%very high
June Weather25°C (77°F)116 mm (4.6 inches)83%extreme
July Weather26°C (80°F)87 mm (3.4 inches)81%extreme
August Weather25°C (77°F)110 mm (4.3 inches)78%very high
September Weather22°C (72°F)77 mm (3.0 inches)72%very high
October Weather13°C (56°F)122 mm (4.8 inches)72%high
November Weather6°C (43°F)48 mm (1.9 inches)84%moderate
December Weather2°C (37°F)36 mm (1.4 inches)86%moderate

Compare Dearborn's Climate with Cities Worldwide