December Weather in Henry, United States

Last updated: June 24, 2025

In Henry, United States, the average temperature in December hovers around 1°C (34°F), with extremes ranging from a frigid -21°C (-6°F) to a pleasant 20°C (68°F). Expect about 53 mm (2.1 in) of precipitation over approximately 6 days, coupled with an average humidity level of 84%, creating a cool and damp atmosphere.

December Temperature in Henry

In December in Henry, the average temperature is 1°C (34°F). The maximum can reach 20°C (68°F), while the minimum can be as low as -21°C (-6°F). It's advisable to pack layers when traveling to this destination during this time of year, as the temperature can fluctuate significantly.

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

The chart illustrates December temperature patterns in Henry, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Henry, December typically has an average temperature of 1°C (34°F), with highs reaching up to 20°C (68°F) and lows dropping to around -21°C (-6°F).

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

December Precipitation in Henry

In Henry in December, the precipitation amount is 53 mm (2.1 in) over a span of 6 days.

December Precipitation Trends in Henry

The chart displays monthly precipitation patterns in Henry, 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 Henry, December typically receives around 53 mm (2.1 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 Henry

In Henry in December humidity is 84%. With an average temperature of 1°C (34°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and requiring extra layers to keep warm while navigating the damp air.

December Average Humidity in Henry

This chart illustrates the average monthly humidity levels in Henry, 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 Henry 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 Henry

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

Maximum UV Index Levels in Henry for December

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

Data source: Henry 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 Henry Compares to Other Months

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

This table compares monthly weather conditions in Henry, 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 (26°F)	59 mm (2.3 inches)	82%	moderate
February Weather	-2°C (29°F)	66 mm (2.6 inches)	83%	moderate
March Weather	5°C (41°F)	98 mm (3.9 inches)	84%	high
April Weather	10°C (51°F)	116 mm (4.5 inches)	85%	very high
May Weather	17°C (63°F)	161 mm (6.3 inches)	79%	very high
June Weather	23°C (74°F)	148 mm (5.8 inches)	82%	extreme
July Weather	25°C (77°F)	106 mm (4.2 inches)	80%	very high
August Weather	23°C (74°F)	78 mm (3.1 inches)	81%	very high
September Weather	21°C (69°F)	77 mm (3.0 inches)	80%	very high
October Weather	13°C (56°F)	134 mm (5.3 inches)	82%	high
November Weather	4°C (40°F)	54 mm (2.1 inches)	88%	moderate
December Weather	1°C (34°F)	53 mm (2.1 inches)	84%	low