December Weather in Mount Carroll, United States

Last updated: June 24, 2025

In December, the average temperature in Mount Carroll, United States hovers around 0°C (31°F), with a notable range between a chilly -21°C (-6°F) and a pleasant 20°C (68°F). Expect about 50 mm (2.0 in) of precipitation over 6 days, contributing to an average humidity level of 84%.

December Temperature in Mount Carroll

In December in Mount Carroll, the average temperature is 0°C (31°F), with maximums reaching up to 20°C (68°F) and minimums dropping as low as -21°C (-6°F). It's essential to pack for both warmth and cooler weather while traveling during this time.

December Weather in Mount Carroll: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Mount Carroll, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mount Carroll, December typically has an average temperature of 0°C (31°F), with highs reaching up to 20°C (68°F) and lows dropping to around -21°C (-6°F).

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

December Precipitation in Mount Carroll

In Mount Carroll in December, the precipitation amount is 50 mm (2.0 in) over the course of 6 days.

December Precipitation Trends in Mount Carroll

The chart displays monthly precipitation patterns in Mount Carroll, 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 Mount Carroll, December typically receives around 50 mm (2.0 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 Mount Carroll

In Mount Carroll in December humidity is 84%. With an average temperature of 0°C (31°F), this humidity feels like a cold, damp chill that seeps into your bones, making travel uncomfortable and requiring extra layers to stay warm while navigating the thick air.

December Average Humidity in Mount Carroll

This chart illustrates the average monthly humidity levels in Mount Carroll, 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 Mount Carroll 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 Mount Carroll

In Mount Carroll 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 Mount Carroll, you can visit Hourly UV Index in Mount Carroll.

Maximum UV Index Levels in Mount Carroll for December

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

Data source: Mount Carroll 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 Mount Carroll Compares to Other Months

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

This table compares monthly weather conditions in Mount Carroll, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	58 mm (2.3 inches)	81%	moderate
February Weather	-4°C (25°F)	59 mm (2.3 inches)	81%	moderate
March Weather	4°C (39°F)	81 mm (3.2 inches)	81%	high
April Weather	9°C (48°F)	103 mm (4.0 inches)	82%	very high
May Weather	16°C (61°F)	145 mm (5.7 inches)	78%	very high
June Weather	22°C (72°F)	136 mm (5.3 inches)	81%	very high
July Weather	24°C (76°F)	90 mm (3.6 inches)	79%	very high
August Weather	22°C (73°F)	89 mm (3.5 inches)	77%	very high
September Weather	20°C (67°F)	116 mm (4.6 inches)	78%	very high
October Weather	12°C (53°F)	113 mm (4.5 inches)	78%	high
November Weather	3°C (38°F)	49 mm (1.9 inches)	87%	moderate
December Weather	0°C (31°F)	50 mm (2.0 inches)	84%	low