January Weather in Lexington, United States

Last updated: June 24, 2025

In January, the average temperature in Lexington, United States hovers around 2°C (35°F), with extremes ranging from a frigid -20°C (-3°F) to a mild 20°C (68°F). Expect around 70 mm (2.7 in) of precipitation across 9 days, creating a cozy, damp atmosphere with an average humidity of 84%. Bundle up and enjoy the unique charm of this season!

January Temperature in Lexington

In January in Lexington, the average temperature is 2°C (35°F), with a maximum that can reach 20°C (68°F) and a minimum that can dip as low as -20°C (-3°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both chilly and mild conditions.

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

The chart illustrates January 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, January typically has an average temperature of 2°C (35°F), with highs reaching up to 20°C (68°F) and lows dropping to around -20°C (-3°F).

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

January Precipitation in Lexington

In Lexington in January, the precipitation amount is 70 mm (2.7 in) over the course of 9 days.

January Precipitation Trends in Lexington

The chart displays monthly precipitation patterns in Lexington, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Lexington, January typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Lexington

In Lexington in January, humidity is 84%. With an average temperature of 2°C (35°F), this humidity feels like an uncomfortable chill that penetrates your bones, making outdoor travel quite brisk and uninviting.

January Average Humidity in Lexington

This chart illustrates the average monthly humidity levels in Lexington, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Lexington is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Lexington

In Lexington in January, 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 January

The chart shows the monthly maximum UV Index (UVI) for Lexington in January, 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 January, the maximum UV index in Lexington typically reaches 3, which falls under the moderate exposure category.

Data source: Lexington January 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 January 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 January’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 January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (35°F)	70 mm (2.7 inches)	84%	moderate
February Weather	4°C (40°F)	109 mm (4.3 inches)	84%	high
March Weather	7°C (46°F)	78 mm (3.1 inches)	84%	very high
April Weather	13°C (55°F)	124 mm (4.9 inches)	82%	very high
May Weather	18°C (64°F)	129 mm (5.1 inches)	82%	very high
June Weather	21°C (71°F)	98 mm (3.9 inches)	83%	extreme
July Weather	24°C (76°F)	58 mm (2.3 inches)	79%	very high
August Weather	23°C (74°F)	103 mm (4.0 inches)	77%	very high
September Weather	20°C (69°F)	99 mm (3.9 inches)	75%	very high
October Weather	15°C (59°F)	113 mm (4.4 inches)	81%	high
November Weather	6°C (44°F)	80 mm (3.2 inches)	87%	moderate
December Weather	4°C (39°F)	97 mm (3.8 inches)	85%	moderate