December Weather in Hanover, United States

Last updated: June 24, 2025

In December, the average temperature in Hanover, United States hovers around 6°C (44°F), with a minimum dip to -9°C (15°F) and a maximum rise to 22°C (72°F). Expect around 91 mm (3.6 in) of precipitation over 9 days, contributing to an average humidity of 84%.

December Temperature in Hanover

In December in Hanover, the average temperature is 6°C (44°F), with maximums reaching up to 22°C (72°F) and minimums dropping as low as -9°C (15°F). It's advisable to pack layers to prepare for a range of temperatures during your travels.

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

The chart illustrates December temperature patterns in Hanover, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hanover, December typically has an average temperature of 6°C (44°F), with highs reaching up to 22°C (72°F) and lows dropping to around -9°C (15°F).

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

December Precipitation in Hanover

In Hanover in December, the precipitation amount is 91 mm (3.6 in) spread over 9 days.

December Precipitation Trends in Hanover

The chart displays monthly precipitation patterns in Hanover, 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 Hanover, December typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 9 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 Hanover

In Hanover in December humidity is 84%. With an average temperature of 6°C (44°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities less comfortable and necessitating layered clothing to stay warm and dry while exploring the area.

December Average Humidity in Hanover

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

In Hanover 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 Hanover, you can check the information here.

Maximum UV Index Levels in Hanover for December

The chart shows the monthly maximum UV Index (UVI) for Hanover 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 Hanover typically reaches 3, which falls under the moderate exposure category.

Data source: Hanover 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 Hanover Compares to Other Months

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

This table compares monthly weather conditions in Hanover, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	66 mm (2.6 inches)	84%	moderate
February Weather	7°C (45°F)	97 mm (3.8 inches)	83%	high
March Weather	10°C (50°F)	79 mm (3.1 inches)	82%	high
April Weather	15°C (60°F)	107 mm (4.2 inches)	81%	very high
May Weather	20°C (68°F)	105 mm (4.1 inches)	80%	very high
June Weather	24°C (76°F)	130 mm (5.1 inches)	82%	very high
July Weather	27°C (81°F)	115 mm (4.5 inches)	81%	very high
August Weather	25°C (78°F)	175 mm (6.9 inches)	81%	very high
September Weather	23°C (73°F)	103 mm (4.1 inches)	78%	very high
October Weather	18°C (64°F)	123 mm (4.9 inches)	80%	high
November Weather	10°C (50°F)	74 mm (2.9 inches)	84%	moderate
December Weather	6°C (44°F)	91 mm (3.6 inches)	84%	moderate