December Weather in Pennville, United States

Last updated: June 24, 2025

In December, the average temperature in Pennville, United States hovers around 2°C (35°F). Be prepared for a range of conditions, as temperatures can drop to a chilly -22°C (-8°F) or climb to a milder 17°C (63°F). With an average precipitation amount of 68 mm (2.7 in) over 9 days, and a notable average humidity of 86%, it's wise to pack accordingly for a mix of wet and cold weather.

December Temperature in Pennville

In December in Pennville, the average temperature is 2°C (35°F). The maximum can reach 17°C (63°F), while the minimum can drop as low as -22°C (-8°F). Be prepared for a wide range of temperatures, making it essential to dress in layers for your travels.

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

The chart illustrates December temperature patterns in Pennville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pennville, December typically has an average temperature of 2°C (35°F), with highs reaching up to 17°C (63°F) and lows dropping to around -22°C (-8°F).

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

December Precipitation in Pennville

In Pennville in December, the precipitation amount is 68 mm (2.7 in) spread over 9 days.

December Precipitation Trends in Pennville

The chart displays monthly precipitation patterns in Pennville, 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 Pennville, December typically receives around 68 mm (2.7 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 Pennville

In Pennville in December humidity is 86%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill that seeps into your bones, making traveling quite uncomfortable as your clothes cling to you and the cold air cuts through any warmth you try to find.

December Average Humidity in Pennville

This chart illustrates the average monthly humidity levels in Pennville, 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 Pennville is approximately 86%, 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 Pennville

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

Maximum UV Index Levels in Pennville for December

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

Data source: Pennville 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 Pennville Compares to Other Months

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

This table compares monthly weather conditions in Pennville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	76 mm (3.0 inches)	85%	moderate
February Weather	0°C (32°F)	87 mm (3.4 inches)	85%	moderate
March Weather	5°C (42°F)	103 mm (4.1 inches)	86%	high
April Weather	10°C (51°F)	94 mm (3.7 inches)	87%	very high
May Weather	17°C (63°F)	127 mm (5.0 inches)	81%	very high
June Weather	23°C (73°F)	112 mm (4.4 inches)	82%	extreme
July Weather	24°C (76°F)	105 mm (4.1 inches)	81%	very high
August Weather	23°C (74°F)	99 mm (3.9 inches)	79%	very high
September Weather	20°C (69°F)	73 mm (2.9 inches)	78%	very high
October Weather	14°C (57°F)	100 mm (3.9 inches)	81%	high
November Weather	5°C (42°F)	82 mm (3.2 inches)	89%	moderate
December Weather	2°C (35°F)	68 mm (2.7 inches)	86%	low