December Weather in Macomb, United States

Last updated: June 24, 2025

In Macomb, United States during December, the average temperature is a chilly 1°C (35°F). Visitors should be prepared for a wide range of weather, as temperatures can dip to a minimum of -21°C (-5°F) and soar to a maximum of 22°C (72°F). Expect 47 mm (1.9 in) of precipitation spread over 6 days, with an average humidity of 84% making it feel even colder. Don't forget your layers!

December Temperature in Macomb

In December in Macomb, the average temperature is 1°C (35°F). Maximum temperatures can reach 22°C (72°F), while the minimum can drop to as low as -21°C (-5°F). Be prepared for a wide range of temperatures when traveling to Macomb during this time.

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

The chart illustrates December temperature patterns in Macomb, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Macomb, December typically has an average temperature of 1°C (35°F), with highs reaching up to 22°C (72°F) and lows dropping to around -21°C (-5°F).

Data source: Temperature data for Macomb generated using information from the Copernicus Climate Change Service.

December Precipitation in Macomb

In Macomb in December, the precipitation amount is 47 mm (1.9 in) over the course of 6 days.

December Precipitation Trends in Macomb

The chart displays monthly precipitation patterns in Macomb, 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 Macomb, December typically receives around 47 mm (1.9 inches) of precipitation spread over approximately 6 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Macomb

In Macomb in December humidity is 84%. With an average temperature of 1°C (35°F), this humidity feels like a cold, damp chill that seeps into your bones, making it feel much colder than the thermometer suggests, which can be quite uncomfortable for traveling.

December Average Humidity in Macomb

This chart illustrates the average monthly humidity levels in Macomb, 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 Macomb is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Macomb

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

Maximum UV Index Levels in Macomb for December

The chart shows the monthly maximum UV Index (UVI) for Macomb 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 Macomb typically reaches 2, which falls under the low exposure category.

Data source: Macomb 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 Macomb Compares to Other Months

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

This table compares monthly weather conditions in Macomb, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	58 mm (2.3 inches)	81%	moderate
February Weather	-2°C (29°F)	65 mm (2.5 inches)	81%	moderate
March Weather	6°C (42°F)	116 mm (4.6 inches)	81%	high
April Weather	11°C (51°F)	105 mm (4.1 inches)	82%	very high
May Weather	18°C (64°F)	169 mm (6.6 inches)	78%	very high
June Weather	24°C (75°F)	136 mm (5.3 inches)	81%	extreme
July Weather	25°C (78°F)	95 mm (3.7 inches)	79%	very high
August Weather	24°C (75°F)	93 mm (3.7 inches)	77%	very high
September Weather	21°C (70°F)	92 mm (3.6 inches)	78%	very high
October Weather	13°C (56°F)	112 mm (4.4 inches)	78%	high
November Weather	5°C (41°F)	53 mm (2.1 inches)	87%	moderate
December Weather	1°C (35°F)	47 mm (1.9 inches)	84%	low