December Weather in De Witt, United States

Last updated: June 24, 2025

In December, the average temperature in De Witt, United States hovers around 0°C (32°F), with the possibility of dipping as low as -22°C (-7°F) or rising to a mild 21°C (70°F). Expect 48 mm (1.9 in) of precipitation over approximately 6 days, contributing to an average humidity of 84%.

December Temperature in De Witt

In December in De Witt, the average temperature is 0°C (32°F). The maximum can reach 21°C (70°F), while the minimum can drop to as low as -22°C (-7°F). Be prepared for a diverse range of weather conditions when traveling during this month.

December Weather in De Witt: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in De Witt, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In De Witt, December typically has an average temperature of 0°C (32°F), with highs reaching up to 21°C (70°F) and lows dropping to around -22°C (-7°F).

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

December Precipitation in De Witt

In De Witt in December, the precipitation amount is 48 mm (1.9 in) distributed over 6 days.

December Precipitation Trends in De Witt

The chart displays monthly precipitation patterns in De Witt, 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 De Witt, December typically receives around 48 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 De Witt

In De Witt in December, humidity is 84%. With an average temperature of 0°C (32°F), this humidity feels like a cold, damp chill that seeps into your clothes, making traveling uncomfortable and necessitating extra layers to stay warm despite the moisture-laden air.

December Average Humidity in De Witt

This chart illustrates the average monthly humidity levels in De Witt, 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 De Witt 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 De Witt

In De Witt 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 De Witt, you can visit Hourly UV Index in De Witt.

Maximum UV Index Levels in De Witt for December

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

Data source: De Witt 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 De Witt Compares to Other Months

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

This table compares monthly weather conditions in De Witt, 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)	54 mm (2.1 inches)	81%	moderate
February Weather	-4°C (25°F)	60 mm (2.4 inches)	81%	moderate
March Weather	4°C (40°F)	86 mm (3.4 inches)	81%	high
April Weather	9°C (49°F)	102 mm (4.0 inches)	82%	very high
May Weather	17°C (62°F)	145 mm (5.7 inches)	78%	very high
June Weather	23°C (73°F)	126 mm (5.0 inches)	81%	extreme
July Weather	25°C (77°F)	80 mm (3.1 inches)	79%	very high
August Weather	23°C (73°F)	83 mm (3.3 inches)	77%	very high
September Weather	20°C (68°F)	119 mm (4.7 inches)	78%	very high
October Weather	12°C (54°F)	114 mm (4.5 inches)	78%	high
November Weather	4°C (39°F)	48 mm (1.9 inches)	87%	moderate
December Weather	0°C (32°F)	48 mm (1.9 inches)	84%	low