December Weather in Woodlyn, United States

Last updated: June 24, 2025

In Woodlyn, United States, the average temperature in December hovers around 4°C (40°F), with a notable range from a brisk -12°C (11°F) to a comfortable 20°C (68°F). During this month, expect 97 mm (3.8 in) of precipitation spread over approximately 9 days, contributing to a relatively high average humidity of 84%.

December Temperature in Woodlyn

In December in Woodlyn, the average temperature is 4°C (40°F), with maximums reaching 20°C (68°F) and minimums plummeting to -12°C (11°F). Travelers should be prepared for a wide range of temperatures, making layered clothing essential for comfort during their visit.

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

The chart illustrates December temperature patterns in Woodlyn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Woodlyn, December typically has an average temperature of 4°C (40°F), with highs reaching up to 20°C (68°F) and lows dropping to around -12°C (11°F).

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

December Precipitation in Woodlyn

In Woodlyn in December, the total precipitation amount reaches 97 mm (3.8 in) over the course of 9 days.

December Precipitation Trends in Woodlyn

The chart displays monthly precipitation patterns in Woodlyn, 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 Woodlyn, December typically receives around 97 mm (3.8 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 Woodlyn

In Woodlyn in December, humidity is 84%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and requiring extra layers to stay warm and dry while traveling.

December Average Humidity in Woodlyn

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

In Woodlyn 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 Woodlyn, you can check the information here.

Maximum UV Index Levels in Woodlyn for December

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

Data source: Woodlyn 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 Woodlyn Compares to Other Months

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

This table compares monthly weather conditions in Woodlyn, 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 (36°F)	59 mm (2.3 inches)	84%	moderate
February Weather	4°C (40°F)	104 mm (4.1 inches)	83%	moderate
March Weather	7°C (45°F)	105 mm (4.1 inches)	83%	high
April Weather	13°C (55°F)	98 mm (3.9 inches)	81%	very high
May Weather	18°C (65°F)	131 mm (5.2 inches)	78%	very high
June Weather	23°C (74°F)	113 mm (4.4 inches)	79%	very high
July Weather	26°C (79°F)	128 mm (5.0 inches)	74%	very high
August Weather	25°C (77°F)	127 mm (5.0 inches)	72%	very high
September Weather	22°C (71°F)	91 mm (3.6 inches)	75%	very high
October Weather	16°C (62°F)	112 mm (4.4 inches)	81%	high
November Weather	8°C (47°F)	80 mm (3.2 inches)	85%	moderate
December Weather	4°C (40°F)	97 mm (3.8 inches)	84%	moderate