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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 8°C (47°F), with fluctuations ranging from a chilly -8°C (19°F) to a warm 23°C (73°F). Expect 159 mm (6.3 in) of precipitation over approximately 11 days, contributing to an average humidity level of 88%. Stay prepared for a mix of cool and damp weather!

December Temperature in Lexington

In December in Lexington, the average temperature is 8°C (47°F). The maximum can reach 23°C (73°F) and the minimum can be as low as -8°C (19°F). This temperature range suggests that travelers should be prepared for a mix of mild and chilly weather during their visit.

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 8°C (47°F), with highs reaching up to 23°C (73°F) and lows dropping to around -8°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec434755617177807975645047
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 precipitation amount is 159 mm (6.3 in), occurring over the course of 11 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 159 mm (6.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec12619419515811412312210710811476159
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 88%. With an average temperature of 8°C (47°F), this humidity feels like a thick, damp blanket wrapping around you, making even short walks feel heavy and uninviting for travel.

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 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
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 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Lexington, you can check the information here.

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 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101111109753
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 Weather6°C (43°F)126 mm (5.0 inches)87%moderate
February Weather9°C (48°F)194 mm (7.6 inches)87%high
March Weather13°C (55°F)195 mm (7.7 inches)85%very high
April Weather16°C (61°F)158 mm (6.2 inches)82%very high
May Weather21°C (71°F)114 mm (4.5 inches)83%very high
June Weather25°C (77°F)123 mm (4.8 inches)82%extreme
July Weather27°C (80°F)122 mm (4.8 inches)78%extreme
August Weather26°C (79°F)107 mm (4.2 inches)67%very high
September Weather24°C (75°F)108 mm (4.2 inches)64%very high
October Weather18°C (65°F)114 mm (4.5 inches)74%high
November Weather10°C (50°F)76 mm (3.0 inches)87%moderate
December Weather8°C (47°F)159 mm (6.3 inches)88%moderate

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