January Weather in Lexington, United States

Last updated: June 24, 2025

In January, the average temperature in Lexington, United States hovers around -1°C (31°F). Extremes can plunge to a chilly -23°C (-8°F) or rise to a pleasant 17°C (63°F). Expect about 56 mm (2.2 in) of precipitation over 6 days, accompanied by a high average humidity of 80%. Embrace the brisk air and prepare for some wet days during this frosty month!

January Temperature in Lexington

In January in Lexington, the average temperature is -1°C (31°F). Maximums can reach 17°C (63°F), while minimums can drop as low as -23°C (-8°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack both warm and moderate clothing options.

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 -1°C (31°F), with highs reaching up to 17°C (63°F) and lows dropping to around -23°C (-8°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 56 mm (2.2 in) spread over 6 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 56 mm (2.2 inches) of precipitation spread over approximately 6 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 80%. With average temperature -1°C (31°F), this humidity feels like a biting chill that seeps into your bones, making every step outdoors a brisk reminder of the cold.

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 80%, 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	-1°C (31°F)	56 mm (2.2 inches)	80%	moderate
February Weather	0°C (33°F)	44 mm (1.7 inches)	78%	moderate
March Weather	8°C (46°F)	102 mm (4.0 inches)	75%	high
April Weather	12°C (54°F)	86 mm (3.4 inches)	77%	very high
May Weather	19°C (66°F)	215 mm (8.4 inches)	82%	very high
June Weather	25°C (77°F)	108 mm (4.2 inches)	83%	extreme
July Weather	26°C (79°F)	101 mm (4.0 inches)	81%	extreme
August Weather	25°C (77°F)	97 mm (3.8 inches)	78%	very high
September Weather	22°C (72°F)	74 mm (2.9 inches)	72%	very high
October Weather	14°C (57°F)	113 mm (4.5 inches)	72%	high
November Weather	7°C (44°F)	47 mm (1.9 inches)	84%	moderate
December Weather	3°C (38°F)	33 mm (1.3 inches)	86%	moderate