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December Weather in Alexandria, United States

Last updated: June 24, 2025

In December, the average temperature in Alexandria, United States hovers around -3°C (27°F), with a possible minimum dip to -23°C (-9°F) and a maximum rise to 15°C (59°F). Expect 116 mm (4.6 in) of precipitation over approximately 10 days, while the air remains quite humid with an average humidity of 81%.

December Temperature in Alexandria

In December in Alexandria, the average temperature is -3°C (27°F). The maximum can reach 15°C (59°F) and the minimum can be as low as -23°C (-9°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack both warm layers and lighter clothing for milder 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 (27°F), with highs reaching up to 15°C (59°F) and lows dropping to around -23°C (-9°F).
JanFebMarAprMayJunJulAugSepOctNovDec222532445666717063513727
Data source: Temperature data for Alexandria generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Alexandria

In Alexandria in December, the total precipitation amount is 116 mm (4.6 in) over a span 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 116 mm (4.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec72837512882951359668131113116
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Alexandria

In Alexandria in December humidity is 81%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that seeps into your bones, making traveling uncomfortable and forcing you to bundle up tightly to fend off 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 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
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.
JanFebMarAprMayJunJulAugSepOctNovDec3458910997532
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.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (22°F)72 mm (2.8 inches)86%moderate
February Weather-4°C (25°F)83 mm (3.3 inches)84%moderate
March Weather0°C (32°F)75 mm (2.9 inches)82%moderate
April Weather7°C (44°F)128 mm (5.1 inches)80%very high
May Weather13°C (56°F)82 mm (3.2 inches)72%very high
June Weather19°C (66°F)95 mm (3.7 inches)72%very high
July Weather22°C (72°F)135 mm (5.3 inches)67%very high
August Weather21°C (70°F)96 mm (3.8 inches)66%very high
September Weather17°C (63°F)68 mm (2.7 inches)71%high
October Weather11°C (51°F)131 mm (5.1 inches)78%moderate
November Weather3°C (37°F)113 mm (4.4 inches)84%moderate
December Weather-3°C (27°F)116 mm (4.6 inches)81%low

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