December weather forecast
Lexington, KY

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A sunset view of the ancient buildings in Lexington, Kentucky
A sunset view of the ancient buildings in Lexington, Kentucky

Weather in December

December in Lexington embraces the full-blown winter season with colder temperatures and shorter days. The city prepares for a festive atmosphere with Christmas and New Year celebrations taking place amidst falling snow. Snowfall registers 1.69", offering just the perfect backdrop for this festive month. With the settling cold weather, the transition from December to January is almost seamless, maintaining a steady rhythm in weather patterns. December leaves behind an enduring impression with its crisp chilliness, festive vibes, and the expectant wait for a fresh start in the upcoming New Year.

Temperature

December in Lexington shows a mild decline in the average high-temperature, falling from November's cool 52.9°F to a frosty 43.9°F. The low-temperature average for Lexington during December stands at a freezing cold 31.5°F.

Humidity

In December, the average relative humidity in Lexington is 80%.

Rainfall

In Lexington, during December, the rain falls for 12.8 days and regularly aggregates up to 3.43" of precipitation. In Lexington, during the entire year, the rain falls for 172.1 days and collects up to 37.95" of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Lexington, in December, during 7.2 snowfall days, 1.69" of snow is typically accumulated. Throughout the year, in Lexington, there are 34.8 snowfall days, and 11.3" of snow is accumulated.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:35 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:28 pm EST.

Sunshine

In Lexington, the average sunshine in December is 4.2h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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FAQ

Is it cold in Lexington during December?

During December, Lexington experiences an average high-temperature of 43.9°F and a low-temperature of 31.5°F. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 91.4°F.

What is the average humidity in December in Lexington?

In Lexington, the average relative humidity in December is 80%.

How much does it rain in Lexington in December?

In Lexington, Kentucky, during December, the rain falls for 12.8 days and regularly aggregates up to 3.43" of precipitation.

How much does it snow in Lexington in December?

In Lexington, Kentucky, in December, during 7.2 snowfall days, 1.69" of snow is typically accumulated.

What is the month with the shortest days in Lexington?

With an average of 9h and 36min of daylight, December has the shortest days of the year in Lexington, Kentucky.

What is the average length of the day in December in Lexington?

The average day length in December is 9h and 35min.

When are sunrise and sunset in December in Lexington?

On the first day of December, sunrise is at 7:35 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:28 pm EST.

How many hours of sunshine does Lexington have in December?

The average sunshine duration in December is 4.2h.

When is the lowest UV index in Lexington?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

How high is the UV index in December in Lexington?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Lexington, KY

Average temperature in December - Lexington, KY
  • Average high temperature in December: 43.9°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in December: 31.5°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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Average pressure in December
Lexington, KY

Average pressure in December - Lexington, KY
  • Average pressure in December: 30.14"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in December
Lexington, KY

Average wind speed in December - Lexington, KY
  • Average wind speed in December: 8.4mph

The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in December
Lexington, KY

Average humidity in December - Lexington, KY
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (75%).

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Average rainfall in December
Lexington, KY

Average rainfall in December - Lexington, KY
  • Average rainfall in December: 3.43"

The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is September (2.32").

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Average rainfall days in December
Lexington, KY

Average rainfall days in December - Lexington, KY
  • Average rainfall days in December: 12.8 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (10.3 days).

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Average snowfall in December
Lexington, KY

Average snowfall in December - Lexington, KY
  • Average snowfall in December: 1.69"

The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Lexington, KY

Average snowfall days in December - Lexington, KY
  • Average snowfall days in December: 7.2 days

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Lexington, KY

Average daylight in December / Average sunshine in December - Lexington, KY
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in December
Lexington, KY

Average sunshine days in December - Lexington, KY
  • Average sunshine days in December: 13.1 days

The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is February (9.8 days).

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Average UV index in December
Lexington, KY

Average UV index in December - Lexington, KY
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Lexington, KY

Average cloud cover in December - Lexington, KY
  • Average cloud cover in December: 57

The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in December
Lexington, KY

Average visibility in December - Lexington, KY
  • Average visibility in December: 5mi

The months with the highest visibility are April, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July and December (5mi).

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Lexington, Kentucky, USA

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