December weather forecast
London, KY

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Weather in December

December marks the beginning of the winter season in London, Kentucky, as temperatures drop to an average low of 33.3°F (0.7°C). With the greatest snowfall amounting to 3.03" (77mm), the city transforms into a winter wonderland. Shorter daylight hours and increased cloud coverage contribute to the feeling of winter. More persistent winds and a higher pressure further intensify the cold weather. Despite the chill, the holiday spirit ensures a festive spark in the air.

Temperature

The average high-temperature shows a slight dip in December, from November's fresh 54.5°F (12.5°C) to a chilly 45.9°F (7.7°C). During the month of December, the nighttime temperature in London falls to an average of 33.3°F (0.7°C).

Humidity

The months with the highest humidity in London are February and December, with an average relative humidity of 80%.

Rainfall

In December, the rain falls for 13.3 days. Throughout December, 3.66" (93mm) of precipitation is accumulated. Throughout the year, there are 176.9 rainfall days, and 39.29" (998mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In London, Kentucky, in December, snow falls for 7.2 days, with typically accumulated 3.03" (77mm) of snow. In London, during the entire year, snow falls for 34.6 days and aggregates up to 15.43" (392mm) of snow.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year in London.
On the first day of the month, sunrise is at 7:31 am and sunset at 5:19 pm. On the last day of December, sunrise is at 7:49 am and sunset at 5:29 pm EST.

Sunshine

In December, the average sunshine is 4.5h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Frequently asked questions

What is the usual temperature for London in December?

The average high-temperature and low-temperature in London during December are 45.9°F (7.7°C) and 33.3°F (0.7°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 95°F (35°C).

What is the most humid month in London?

The months with the highest humidity in London, Kentucky, are February and December, with an average relative humidity of 80%.

What is the average humidity in December in London?

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

How much does it rain in London in December?

In December, the rain falls for 13.3 days. Throughout December, 3.66" (93mm) of precipitation is accumulated.

How much does it snow in London in December?

In London, Kentucky, during December, snow falls for 7.2 days and regularly aggregates up to 3.03" (77mm) of snow.

What is the month with the shortest days in London?

The month with the shortest days in London is December, with an average of 9h and 42min of daylight.

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

In London, Kentucky, the average day length in December is 9h and 40min.

When are sunrise and sunset in December in London?

On the first day of December in London, Kentucky, sunrise is at 7:31 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:29 pm EST.

How long on average sun shines in December in London?

In December, the average sunshine duration in London, Kentucky, is 4.5h.

What is the month with the lowest UV index in London?

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

What is the UV index reading in December in London?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJFMAMJJASONDecember
Nov
December
Jan
Average high temperature
54.5°F 12.5°C
45.9°F 7.7°C
41.2°F 5.1°C
Average low temperature
37.6°F 3.1°C
33.3°F 0.7°C
27.1°F -2.7°C
Average pressure
30.16" 766mmHg
30.14" 766mmHg
30.16" 766mmHg
Average wind speed
6mph 9.7km/h
6.6mph 10.6km/h
7.1mph 11.4km/h
Average max. wind speed
6.5mph 10.5km/h
7.1mph 11.4km/h
7.6mph 12.2km/h
Average wind speed gusts
9.8mph 15.8km/h
10.6mph 17.1km/h
11.2mph 18km/h
Average humidity
76%
80%
79%
Average rainfall
2.72" 69mm
3.66" 93mm
3.03" 77mm
Average rainfall days
11.9
13.3
12.2
Average snowfall
1.26" 32mm
3.03" 77mm
3.27" 83mm
Average snowfall days
3.1
7.2
9.7
Average daylight
10h 1min
9h 4min
10h 0min
Average sunshine
5h 5min
4h 3min
4h 1min
Average sunshine days
15.7
12.2
12
Average UV index
3
2
2
Average cloud cover
38%
54%
57%
Average visibility
6mi 9.7km
5mi 8km
5mi 8km

Average temperature in December
London, KY

Average temperature in December - London, KY
  • Average high temperature in December: 45.9°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (41.2°F).

  • Average low temperature in December: 33.3°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

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Average pressure in December
London, KY

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

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in December
London, KY

Average wind speed in December - London, KY
  • Average wind speed in December: 6.6mph

The windiest month (with the highest average wind speed) is February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in December
London, KY

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

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is August (75%).

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Average rainfall in December
London, KY

Average rainfall in December - London, KY
  • Average rainfall in December: 3.66"

The wettest month (with the highest rainfall) is February (4.25").
The driest month (with the least rainfall) is September (2.2").

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Average rainfall days in December
London, KY

Average rainfall days in December - London, KY
  • Average rainfall days in December: 13.3 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (11.9 days).

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Average snowfall in December
London, KY

Average snowfall in December - London, KY
  • Average snowfall in December: 3.03"

The month with the highest snowfall is February (4.45").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
London, KY

Average snowfall days in December - London, 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
London, KY

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 4h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in December
London, KY

Average sunshine days in December - London, KY
  • Average sunshine days in December: 12.2 days

The month with the most sunshine days is October (16.1 days).
The month with the least sunshine days is February (9.4 days).

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Average UV index in December
London, KY

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

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

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Average cloud cover in December
London, KY

Average cloud cover in December - London, KY
  • Average cloud cover in December: 54

The months with the most cloud cover are January and February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in December
London, KY

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

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

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London, Kentucky, USA

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