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December Weather in Lexington, United States

Last updated: June 24, 2025

In December, the average temperature in Lexington, United States hovers around 1°C (33°F). Expect chilly days with a minimum dipping to -15°C (5°F) and a cozy maximum of 14°C (58°F). During this month, precipitation averages 65 mm (2.5 in) spread over 13 days, and the average humidity remains high at 86%, creating a crisp atmosphere.

December Temperature in Lexington

In December in Lexington, the average temperature is 1°C (33°F). Maximum can reach 14°C (58°F) and minimum can be as low as -15°C (5°F). Be prepared for a wide range of temperatures if you plan to visit during this month.

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

The chart illustrates December temperature patterns in Lexington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lexington, December typically has an average temperature of 1°C (33°F), with highs reaching up to 14°C (58°F) and lows dropping to around -15°C (5°F).
JanFebMarAprMayJunJulAugSepOctNovDec272733415163717165544033
Data source: Temperature data for Lexington 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 Lexington

In Lexington in December, the total precipitation amount is 65 mm (2.5 in) over a span of 13 days.

December Precipitation Trends in Lexington

The chart displays monthly precipitation patterns in Lexington, 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 Lexington, December typically receives around 65 mm (2.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec72757010696776981781208365
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lexington

In Lexington in December humidity is 86%. With average temperature 1°C (33°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and necessitating extra layers for warmth to counteract the dampness in the air.

December Average Humidity in Lexington

This chart illustrates the average monthly humidity levels in Lexington, 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 Lexington is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Lexington

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

Maximum UV Index Levels in Lexington for December

The chart shows the monthly maximum UV Index (UVI) for Lexington 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 Lexington typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Lexington 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 Lexington Compares to Other Months

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

This table compares monthly weather conditions in Lexington, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)71 mm (2.8 inches)88%low
February Weather-3°C (27°F)75 mm (3.0 inches)87%moderate
March Weather0°C (33°F)70 mm (2.8 inches)85%moderate
April Weather5°C (41°F)106 mm (4.2 inches)86%very high
May Weather11°C (51°F)96 mm (3.8 inches)80%very high
June Weather17°C (63°F)77 mm (3.0 inches)80%very high
July Weather22°C (71°F)69 mm (2.7 inches)80%very high
August Weather22°C (71°F)81 mm (3.2 inches)80%very high
September Weather18°C (65°F)78 mm (3.1 inches)80%high
October Weather12°C (55°F)120 mm (4.7 inches)84%moderate
November Weather5°C (41°F)83 mm (3.3 inches)89%moderate
December Weather1°C (33°F)65 mm (2.5 inches)86%low

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