December Weather in Lexington, United States

Last updated: June 24, 2025

In December, the average temperature in Lexington, United States hovers around 10°C (50°F), with lows dipping to -5°C (23°F) and highs reaching up to 25°C (78°F). Expect 121 mm (4.8 in) of precipitation spread over 10 days, accompanied by a notably high average humidity of 89%. Plan accordingly to enjoy the unique climate of this beautiful location!

December Temperature in Lexington

In December in Lexington, the average temperature is 10°C (50°F). Maximum temperatures can reach 25°C (78°F), while minimums can drop to as low as -5°C (23°F). It's advisable to pack layers to prepare for the varying temperatures throughout the day.

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 10°C (50°F), with highs reaching up to 25°C (78°F) and lows dropping to around -5°C (23°F).

Data source: Temperature data for Lexington generated using information from the Copernicus Climate Change Service.

December Precipitation in Lexington

In Lexington in December, the precipitation amount is 121 mm (4.8 in) spread over a period of 10 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 121 mm (4.8 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 Lexington

In Lexington in December, humidity is 89%. With an average temperature of 10°C (50°F), this humidity feels like a dense blanket wrapping around you, making travel feel damp and chilly, and urging you to dress in layers for comfort.

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 89%, 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 Lexington

In Lexington 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 Lexington for better planning.

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 4, which falls under the moderate exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	103 mm (4.1 inches)	86%	moderate
February Weather	11°C (53°F)	120 mm (4.7 inches)	84%	high
March Weather	14°C (57°F)	89 mm (3.5 inches)	83%	very high
April Weather	18°C (64°F)	108 mm (4.2 inches)	81%	very high
May Weather	23°C (73°F)	108 mm (4.2 inches)	81%	extreme
June Weather	26°C (78°F)	97 mm (3.8 inches)	81%	extreme
July Weather	27°C (81°F)	102 mm (4.0 inches)	83%	extreme
August Weather	27°C (81°F)	117 mm (4.6 inches)	81%	very high
September Weather	25°C (77°F)	106 mm (4.2 inches)	82%	very high
October Weather	20°C (68°F)	112 mm (4.4 inches)	78%	very high
November Weather	12°C (54°F)	83 mm (3.3 inches)	86%	high
December Weather	10°C (50°F)	121 mm (4.8 inches)	89%	moderate