December Weather in Lutherville-Timonium, United States

Last updated: June 24, 2025

In December, the average temperature in Lutherville-Timonium, United States is a brisk 4°C (40°F). Temperatures can dip as low as -11°C (12°F) and reach a comfortable 18°C (65°F). Expect about 102 mm (4.0 in) of precipitation over 9 days, with humidity levels averaging a humid 84%.

December Temperature in Lutherville-Timonium

In December in Lutherville-Timonium, the average temperature is 4°C (40°F) with maximums reaching up to 18°C (65°F) and minimums dropping as low as -11°C (12°F). This makes it a great time for travelers to experience the beauty of Lutherville-Timonium while being prepared for varying weather conditions.

December Weather in Lutherville-Timonium: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Lutherville-Timonium, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lutherville-Timonium, December typically has an average temperature of 4°C (40°F), with highs reaching up to 18°C (65°F) and lows dropping to around -11°C (12°F).

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

December Precipitation in Lutherville-Timonium

In Lutherville-Timonium in December, the total precipitation amount is 102 mm (4.0 in) over a span of 9 days.

December Precipitation Trends in Lutherville-Timonium

The chart displays monthly precipitation patterns in Lutherville-Timonium, 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 Lutherville-Timonium, December typically receives around 102 mm (4.0 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 Lutherville-Timonium

In Lutherville-Timonium 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 Lutherville-Timonium

This chart illustrates the average monthly humidity levels in Lutherville-Timonium, 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 Lutherville-Timonium 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 Lutherville-Timonium

In Lutherville-Timonium 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 Lutherville-Timonium, you can check the information here.

Maximum UV Index Levels in Lutherville-Timonium for December

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

Data source: Lutherville-Timonium 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 Lutherville-Timonium Compares to Other Months

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

This table compares monthly weather conditions in Lutherville-Timonium, 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)	63 mm (2.5 inches)	84%	moderate
February Weather	4°C (39°F)	98 mm (3.9 inches)	83%	moderate
March Weather	7°C (45°F)	94 mm (3.7 inches)	83%	high
April Weather	13°C (55°F)	106 mm (4.2 inches)	81%	very high
May Weather	18°C (65°F)	145 mm (5.7 inches)	78%	very high
June Weather	23°C (74°F)	117 mm (4.6 inches)	79%	very high
July Weather	26°C (79°F)	151 mm (6.0 inches)	74%	very high
August Weather	24°C (76°F)	154 mm (6.1 inches)	72%	very high
September Weather	21°C (71°F)	116 mm (4.6 inches)	75%	very high
October Weather	16°C (61°F)	109 mm (4.3 inches)	81%	high
November Weather	8°C (46°F)	88 mm (3.5 inches)	85%	moderate
December Weather	4°C (40°F)	102 mm (4.0 inches)	84%	moderate