December Weather in Alexandria, United States

Last updated: June 24, 2025

In December, the average temperature in Alexandria, United States is a mild 12°C (54°F), with fluctuations ranging from a brisk -3°C (27°F) at night to a warm 29°C (84°F) during the day. Expect approximately 126 mm (5.0 in) of precipitation spread over about 10 days, contributing to an average humidity level of 88%. Stay prepared for variable weather conditions as you explore this dynamic locale!

December Temperature in Alexandria

In December in Alexandria, the average temperature is 12°C (54°F). Maximum temperatures can reach 29°C (84°F), while minimum temperatures can drop as low as -3°C (27°F). Be prepared for a wide range of weather conditions when traveling during this time.

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 12°C (54°F), with highs reaching up to 29°C (84°F) and lows dropping to around -3°C (27°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 126 mm (5.0 in) spread over a duration of 10 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 126 mm (5.0 inches) of precipitation spread over approximately 10 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 88%. With an average temperature of 12°C (54°F), this humidity feels like a thick, damp blanket, making traveling a bit uncomfortable as the air clings to your skin, causing you to sweat even in cooler weather.

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 88%, 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 reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Alexandria for better planning.

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 4, which falls under the moderate 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	10°C (51°F)	112 mm (4.4 inches)	81%	moderate
February Weather	13°C (55°F)	129 mm (5.1 inches)	81%	high
March Weather	17°C (63°F)	100 mm (3.9 inches)	79%	very high
April Weather	19°C (67°F)	164 mm (6.4 inches)	80%	extreme
May Weather	24°C (75°F)	185 mm (7.3 inches)	81%	extreme
June Weather	27°C (80°F)	125 mm (4.9 inches)	76%	extreme
July Weather	28°C (82°F)	146 mm (5.8 inches)	73%	extreme
August Weather	28°C (83°F)	134 mm (5.3 inches)	71%	extreme
September Weather	26°C (79°F)	130 mm (5.1 inches)	72%	very high
October Weather	21°C (70°F)	123 mm (4.9 inches)	73%	very high
November Weather	14°C (58°F)	71 mm (2.8 inches)	83%	high
December Weather	12°C (54°F)	126 mm (5.0 inches)	88%	moderate