December Weather in Alexandria, United States

Last updated: June 24, 2025

In December, the average temperature in Alexandria, United States hovers around -3°C (26°F). Expect a minimum of -28°C (-18°F) and a maximum of 17°C (63°F), showcasing the variability of the season. During this period, precipitation averages 34 mm (1.4 in) over about 4 days, and the air is typically quite moist with an average humidity of 79%.

December Temperature in Alexandria

In December in Alexandria, the average temperature is -3°C (26°F). Maximum can reach 17°C (63°F) and minimum can be as low as -28°C (-18°F). Travelers should prepare for a wide range of temperatures, from chilly conditions to surprisingly warm days.

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

The chart illustrates December temperature patterns in Alexandria, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alexandria, December typically has an average temperature of -3°C (26°F), with highs reaching up to 17°C (63°F) and lows dropping to around -28°C (-18°F).

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

December Precipitation in Alexandria

In Alexandria in December, the total precipitation amount is 34 mm (1.4 in) spread over a period of 4 days.

December Precipitation Trends in Alexandria

The chart displays monthly precipitation patterns in Alexandria, 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 Alexandria, December typically receives around 34 mm (1.4 inches) of precipitation spread over approximately 4 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 Alexandria

In Alexandria in December, humidity is 79%. With an average temperature of -3°C (26°F), this humidity feels like a biting chill that seeps into your bones, making outdoor exploration brisk and invigorating, yet challenging for those unaccustomed to the cold dampness.

December Average Humidity in Alexandria

This chart illustrates the average monthly humidity levels in Alexandria, 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 Alexandria is approximately 79%, 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 Alexandria

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

Maximum UV Index Levels in Alexandria for December

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

Data source: Alexandria 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 Alexandria Compares to Other Months

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

This table compares monthly weather conditions in Alexandria, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	18 mm (0.7 inches)	77%	low
February Weather	-7°C (20°F)	20 mm (0.8 inches)	81%	moderate
March Weather	2°C (35°F)	61 mm (2.4 inches)	71%	moderate
April Weather	7°C (45°F)	75 mm (3.0 inches)	75%	very high
May Weather	15°C (59°F)	100 mm (3.9 inches)	74%	very high
June Weather	23°C (73°F)	74 mm (2.9 inches)	82%	extreme
July Weather	24°C (76°F)	86 mm (3.4 inches)	84%	very high
August Weather	22°C (72°F)	89 mm (3.5 inches)	82%	very high
September Weather	19°C (66°F)	90 mm (3.6 inches)	75%	very high
October Weather	9°C (48°F)	76 mm (3.0 inches)	72%	moderate
November Weather	2°C (35°F)	21 mm (0.8 inches)	81%	moderate
December Weather	-3°C (26°F)	34 mm (1.4 inches)	79%	low