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December Weather in Alex, United States

Last updated: June 24, 2025

In Alex, United States, the average temperature for December typically hovers around 7°C (45°F). While you might experience a brisk minimum of -8°C (18°F), the weather can warm up to a pleasant 27°C (81°F) on occasion. Be prepared for about 36 mm (1.4 in) of precipitation spread over approximately 3 days, and keep in mind that the average humidity is a considerable 84%.

December Temperature in Alex

In December in Alex, the average temperature is 7°C (45°F). Maximums can reach 27°C (81°F) and minimums can be as low as -8°C (18°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates December temperature patterns in Alex, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alex, December typically has an average temperature of 7°C (45°F), with highs reaching up to 27°C (81°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec404254607079838276635145
Data source: Temperature data for Alex 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 Alex

In Alex in December, the precipitation amount is 36 mm (1.4 in) over a period of 3 days.

December Precipitation Trends in Alex

The chart displays monthly precipitation patterns in Alex, 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 Alex, December typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec4446981221457140591021012536
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Alex

In Alex in December, humidity is 84%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm while exploring the sights.

December Average Humidity in Alex

This chart illustrates the average monthly humidity levels in Alex, 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 Alex is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%76%70%72%82%82%80%72%64%71%81%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Alex

In Alex 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 Alex for better planning.

Maximum UV Index Levels in Alex for December

The chart shows the monthly maximum UV Index (UVI) for Alex 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 Alex typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101111119754
Data source: Alex 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 Alex Compares to Other Months

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

This table compares monthly weather conditions in Alex, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)44 mm (1.7 inches)76%moderate
February Weather5°C (42°F)46 mm (1.8 inches)76%high
March Weather12°C (55°F)98 mm (3.9 inches)70%very high
April Weather16°C (60°F)121 mm (4.8 inches)72%very high
May Weather21°C (71°F)145 mm (5.7 inches)82%very high
June Weather26°C (79°F)71 mm (2.8 inches)82%extreme
July Weather28°C (84°F)40 mm (1.6 inches)80%extreme
August Weather28°C (82°F)59 mm (2.3 inches)72%extreme
September Weather24°C (76°F)102 mm (4.0 inches)64%very high
October Weather17°C (63°F)101 mm (4.0 inches)71%high
November Weather10°C (51°F)25 mm (1.0 inches)81%moderate
December Weather7°C (45°F)36 mm (1.4 inches)84%moderate

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