Lexington weather in December: Lexington, Kentucky: normal highs, lows, rain and records for December

Lexington in December has a normal high of 46°F and a normal low of 30°F, a daily mean of 38°F, falling from 50°F on the 1st to 43°F by the 31st. Measurable precipitation falls on 13 days in a normal December, 4.20 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 8°C and low of −1°C, 107 mm of precipitation and 5 cm of snow in December.

  • NOAA stationLexington Bluegrass Airport
  • Station IDUSW00093820
  • Location38.04°N 84.61°W
  • Elevation980 ft (299 m)
  • From the center8 miles
  • Population329,437
  1. Jan 42° 25°
  2. Feb 47° 28°
  3. Mar 56° 36°
  4. Apr 67° 45°
  5. May 76° 55°
  6. Jun 84° 63°
  7. Jul 87° 67°
  8. Aug 86° 65°
  9. Sep 80° 58°
  10. Oct 69° 47°
  11. Nov 56° 36°
  12. Dec 46° 30°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Lexington in December?

The normal high is 46°F and the normal low 30°F, for a daily mean of 37.8°F. December is 8.3°F cooler than November and 3.9°F warmer than January. December is the 10th warmest month of the year in Lexington and the 6th wettest. Across the month the normal high falls 7°F, from 50°F on December 1 to 43°F on December 31. From one year to the next December's mean temperature typically moves about 4.5°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 33°F and 42°F.

Lexington in December, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 42%).

Normal high and low on five days of December, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
December 150°F32°F38%24%
December 848°F31°F39%25%
December 1546°F30°F40%25%
December 2244°F29°F41%25%
December 3143°F27°F42%24%
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 31)
Lexington: NOAA 1991-2020 daily normals for each day of December
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
December 150°F32°F38%24%9 h 40 min
December 250°F32°F38%24%9 h 40 min
December 349°F32°F38%24%9 h 40 min
December 449°F32°F38%24%9 h 40 min
December 549°F32°F39%24%9 h 40 min
December 648°F31°F39%24%9 h 40 min
December 748°F31°F39%24%9 h 40 min
December 848°F31°F39%25%9 h 40 min
December 947°F31°F40%25%9 h 40 min
December 1047°F31°F40%25%9 h 40 min
December 1147°F30°F40%25%9 h 40 min
December 1247°F30°F40%25%9 h 30 min
December 1346°F30°F40%25%9 h 30 min
December 1446°F30°F40%25%9 h 30 min
December 1546°F30°F40%25%9 h 30 min
December 1646°F30°F41%25%9 h 30 min
December 1745°F29°F41%25%9 h 30 min
December 1845°F29°F41%25%9 h 30 min
December 1945°F29°F41%25%9 h 30 min
December 2045°F29°F41%25%9 h 30 min
December 2145°F29°F41%25%9 h 30 min
December 2244°F29°F41%25%9 h 30 min
December 2344°F28°F41%25%9 h 30 min
December 2444°F28°F41%25%9 h 30 min
December 2544°F28°F41%24%9 h 30 min
December 2644°F28°F41%24%9 h 30 min
December 2744°F28°F41%24%9 h 30 min
December 2843°F28°F41%24%9 h 30 min
December 2943°F27°F41%24%9 h 30 min
December 3043°F27°F42%24%9 h 30 min
December 3143°F27°F42%24%9 h 30 min
Normal high
46°FDecember average
Normal low
30°FDecember average
Precipitation
4.20 inmonth total
Days with precipitation
130.01 inch or more
Snowfall
1.9 inmonth total
Nights at 32°F or colder
19
Daylight
9 h 40 min to 9 h 30 minDecember 1 to December 31
Sunshine
60%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00093820; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain or snow in Lexington in December?

On a given December day the chance of 0.01 inch or more is 40% on average, highest around December 30 (42%). In all, 4.20 in falls on 13 days of a normal December, 1 of them with an inch or more.

In a normal December in Lexington, 19 nights fall to freezing, 4 days stay below freezing all day and snowfall averages 1.9 inches.

Snow falls on 3 days in a normal December, and an inch or more covers the ground on 2 days.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093820.

How humid and windy is Lexington in December?

At 3 p.m. the normal temperature is 40°F with 63% relative humidity and a dew point of 29°F; at 6 a.m. it is 32°F with 80% humidity. The wind averages 9.1 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.

A normal December day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.32°F27°F80%8.5 mph39%
9 a.m.32°F27°F80%8.7 mph41%
noon38°F29°F69%10.7 mph43%
3 p.m.40°F29°F63%10.4 mph41%
6 p.m.38°F28°F69%8.3 mph42%
9 p.m.35°F28°F74%8.6 mph46%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00093820. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for December in Lexington?

The warmest December temperature on Lexington's official record (since 1872) is 75°F, on December 3, 1982; the coldest is −19°F, on December 22, 1989. The wettest December brought 10.17 in (1990); the snowiest, 19.4 inches (1917).

The December mean against the 1991-2020 normal of 37.8°F: 2021 46.4°F (+8.6), 2022 38.7°F (+0.9), 2023 43.9°F (+6.1), 2024 41.3°F (+3.5), 2025 37.1°F (−0.6). 4 of 5 ran warmer than normal.

Lexington: December in recent years against the 1991-2020 normal
DecemberMeanAgainst normalPrecip.
202146.4°F+8.6°F4.59 in
202238.7°F+0.9°F3.46 in
202343.9°F+6.1°F2.44 in
202441.3°F+3.5°F4.20 in
202537.1°F−0.6°F2.74 in

Source: records: ACIS, NWS threaded record LEXthr; recent months: ACIS, station USW00093820. Records and recent months use complete months only.

How does December in Lexington compare across Kentucky?

Across the 68 places PlainClimate covers in Kentucky, December normal highs run from 44°F in Ashland to 51°F in Summer Shade; Lexington's is 46°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places