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January Weather in Lexington, United States

Last updated: June 24, 2025

In January, the average temperature in Lexington, United States hovers around -3°C (27°F), with extremes ranging from a chilly -20°C (-4°F) to a milder 9°C (48°F). Expect a precipitation of 71 mm (2.8 in) spread over about 10 days, contributing to an average humidity of 88%.

January Temperature in Lexington

In January in Lexington, the average temperature is -3°C (27°F), with maximums reaching 9°C (48°F) and minimums dipping as low as -20°C (-4°F). Travelers should be prepared for cold weather and dress in layers to stay warm.

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 -3°C (27°F), with highs reaching up to 9°C (48°F) and lows dropping to around -20°C (-4°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.

January Precipitation in Lexington

In Lexington in January, the precipitation amount is 71 mm (2.8 in) over a duration of 10 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 71 mm (2.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec72757010696776981781208365
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Lexington

In Lexington in January humidity is 88%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that seeps into your bones, making outdoor exploration less inviting as the dampness clings to your clothing and slows your movements.

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 88%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Lexington

In Lexington in January, 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 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 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
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.
 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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