December weather forecast
London, WV

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Weather in December

December, the first month of the winter in London, is also a frosty month, with an average temperature varying between 43.5°F (6.4°C) and 31.5°F (-0.3°C).

Temperature

London's December weather shows a modest shift in high-temperatures, falling from November's fresh 52.3°F (11.3°C) to a frosty 43.5°F (6.4°C). London's December nights cool down to an average low-temperature of 31.5°F (-0.3°C).

Humidity

In December, the average relative humidity is 81%.

Rainfall

In December, the rain falls for 14.5 days. Throughout December, 3.31" (84mm) of precipitation is accumulated. In London, during the entire year, the rain falls for 193.3 days and collects up to 35.98" (914mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In London, during December, snow falls for 8.7 days and regularly aggregates up to 4.17" (106mm) of snow. Throughout the year, there are 45.1 snowfall days, and 22.2" (564mm) 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 the month, sunrise is at 7:23 am and sunset at 5:05 pm. On the last day of December, sunrise is at 7:41 am and sunset at 5:15 pm EST.

Sunshine

In London, the average sunshine in December is 4.3h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Boost your sun resistance with garments that are densely woven yet spacious. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Jun 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

The high-temperature, in December, in London, records 43.5°F (6.4°C), while the low-temperature is 31.5°F (-0.3°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is appraised at 89.6°F (32°C).

What is the average humidity in December in London?

The average relative humidity in December is 81%.

How much does it rain in December?

In London, during December, the rain falls for 14.5 days and regularly aggregates up to 3.31" (84mm) of precipitation.

How much does it snow in December?

In London, in December, snow falls for 8.7 days, with typically accumulated 4.17" (106mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 36min of daylight.

How many hours of daylight does London have in December?

The average day length in December in London is 9h and 34min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:23 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:15 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.3h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

In London, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
London, WV

Average temperature in December - London, WV
  • Average high temperature in December: 43.5°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in December: 31.5°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in December
London, WV

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

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in December
London, WV

Average wind speed in December - London, WV
  • Average wind speed in December: 6.3mph

The windiest month (with the highest average wind speed) is February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in December
London, WV

Average humidity in December - London, WV
  • Average humidity in December: 81%

The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).

Average rainfall in December
London, WV

Average rainfall in December - London, WV
  • Average rainfall in December: 3.31"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in December
London, WV

Average rainfall days in December - London, WV
  • Average rainfall days in December: 14.5 days

The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is November (12.1 days).

Average snowfall in December
London, WV

Average snowfall in December - London, WV
  • Average snowfall in December: 4.17"

The month with the highest snowfall is January (5.75").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
London, WV

Average snowfall days in December - London, WV
  • Average snowfall days in December: 8.7 days

The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
London, WV

Average daylight in December / Average sunshine in December - London, WV
  • 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 2min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in December
London, WV

Average sunshine days in December - London, WV
  • Average sunshine days in December: 10.3 days

The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is February (7.6 days).

Average UV index in December
London, WV

Average UV index in December - London, WV
  • 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 and December (UV index 2).

Average cloud cover in December
London, WV

Average cloud cover in December - London, WV
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in December
London, WV

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

The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).

London, West Virginia, USA

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