December Weather in Dahlgren, United States

Last updated: June 24, 2025

In Dahlgren, United States, the average temperature in December hovers around 6°C (43°F), with a chill that can dip as low as -9°C (17°F) and occasionally reach a pleasant 20°C (68°F). Expect around 88 mm (3.5 in) of precipitation spread over 9 days, contributing to an average humidity of 84%. Prepare accordingly for a mix of brisk air and damp days!

December Temperature in Dahlgren

In December in Dahlgren, the average temperature is 6°C (43°F). The maximum can reach 20°C (68°F), while the minimum can drop as low as -9°C (17°F). Be prepared for a wide range of temperatures when traveling to Dahlgren during this time of year.

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

The chart illustrates December temperature patterns in Dahlgren, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dahlgren, December typically has an average temperature of 6°C (43°F), with highs reaching up to 20°C (68°F) and lows dropping to around -9°C (17°F).

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

December Precipitation in Dahlgren

In Dahlgren in December, the precipitation amount is 88 mm (3.5 in) over the course of 9 days.

December Precipitation Trends in Dahlgren

The chart displays monthly precipitation patterns in Dahlgren, 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 Dahlgren, December typically receives around 88 mm (3.5 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 Dahlgren

In Dahlgren in December, humidity is 84%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that penetrates your clothing, making outdoor excursions uncomfortable and prompting travelers to seek refuge indoors or find warm, sheltered spots to enjoy their surroundings.

December Average Humidity in Dahlgren

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

In Dahlgren 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 Dahlgren, you can check the information here.

Maximum UV Index Levels in Dahlgren for December

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

Data source: Dahlgren 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 Dahlgren Compares to Other Months

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

This table compares monthly weather conditions in Dahlgren, 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 (39°F)	62 mm (2.4 inches)	84%	moderate
February Weather	6°C (43°F)	93 mm (3.6 inches)	83%	moderate
March Weather	9°C (49°F)	75 mm (2.9 inches)	83%	high
April Weather	15°C (59°F)	99 mm (3.9 inches)	81%	very high
May Weather	20°C (68°F)	115 mm (4.5 inches)	78%	very high
June Weather	24°C (76°F)	110 mm (4.3 inches)	79%	very high
July Weather	27°C (81°F)	118 mm (4.6 inches)	74%	very high
August Weather	26°C (79°F)	157 mm (6.2 inches)	72%	very high
September Weather	23°C (74°F)	92 mm (3.6 inches)	75%	very high
October Weather	18°C (64°F)	110 mm (4.3 inches)	81%	high
November Weather	10°C (50°F)	80 mm (3.1 inches)	85%	moderate
December Weather	6°C (43°F)	88 mm (3.5 inches)	84%	moderate