Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The onset of December coincides with a reduction in the average high-temperature, falling from a moderate 58.6°F (14.8°C) in November to a chilly 49.6°F (9.8°C). Throughout December, the average low-temperature in London dips to an icy 35.1°F (1.7°C).Humidity
In London, the average relative humidity in December is 78%.Rainfall
In London, during December, the rain falls for 10.2 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, in London, Arkansas, there are 156 rainfall days, and 37.56" (954mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows in London, Arkansas. Throughout December, in the average 0.4 snowfall days, it receives 0.31" (8mm) of snow. Throughout the year, in London, there are 4.5 snowfall days, and 2.44" (62mm) of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:04 am and sunset at 5:00 pm. On the last day of December, in London, sunrise is at 7:21 am and sunset at 5:11 pm CST.
Sunshine
The average sunshine in December is 5.5h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in London. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 suggests this advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Boost your sun resistance with garments that are densely woven yet spacious. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What are the temperatures in London in December?
What is the average humidity in December in London?
How many days does it rain in December in London?
When does it start to snow in London?
What is the month with the shortest days in London?
How many hours of daylight does London have in December?
When is the sunrise / sunset in December in London?
How many hours of sunshine does London have in December?
What is the month with the lowest UV index in London?
What is the UV index reading in December in London?
Average temperature in December
London, AR
- Average high temperature in December: 49.6°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (47.5°F).
- Average low temperature in December: 35.1°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in December
London, AR
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
London, AR
- Average wind speed in December: 5.4mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).
Average humidity in December
London, AR
- Average humidity in December: 78%
The months with the highest relative humidity are March and May (79%).
The months with the lowest relative humidity are July, August and October (73%).
Average rainfall in December
London, AR
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is May (4.84").
The driest month (with the least rainfall) is January (2.32").
Average rainfall days in December
London, AR
- Average rainfall days in December: 10.2 days
The months with the highest number of rainy days are May and July (16.3 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in December
London, AR
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
London, AR
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
London, AR
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 24min).
Average sunshine days in December
London, AR
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in December
London, AR
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
London, AR
- Average cloud cover in December: 41
The months with the most cloud cover are February and March (Cloud cover 45).
The months with the least cloud cover are June, July and August (Cloud cover 27).
Average visibility in December
London, AR
- Average visibility in December: 5mi
The months with the highest visibility are February, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, March, April, May and December (5mi).
London, Arkansas, USA
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