December weather forecast
Llangenny, United Kingdom

December

Weather in December

December, the first month of the winter in Llangenny, is still a chilly month, with an average temperature fluctuating between 3.4°C (38.1°F) and 7.3°C (45.1°F).

Temperature

Transitioning from November to December, Llangenny observes an average high-temperature of a still frosty 7.3°C (45.1°F), differing subtly from the previous month. Throughout December, a modest shift from daytime highs is anticipated in Llangenny, with an average low-temperature of 3.4°C (38.1°F).

Humidity

November and December, with an average relative humidity of 90%, are the most humid months.

Rainfall

In Llangenny, United Kingdom, during December, the rain falls for 9.3 days and regularly aggregates up to 30mm (1.18") of precipitation. Throughout the year, in Llangenny, there are 140.4 rainfall days, and 322mm (12.68") of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Llangenny. In Llangenny, in December, during 1.7 snowfall days, 10mm (0.39") of snow is typically accumulated. In Llangenny, during the entire year, snow falls for 8.8 days and aggregates up to 56mm (2.2") of snow.

Daylight

With an average of 7h and 54min of daylight, December has the shortest days of the year.
On the first day of December in Llangenny, sunrise is at 7:57 am and sunset at 4:05 pm. On the last day of the month, sunrise is at 8:19 am and sunset at 4:11 pm GMT.

Sunshine

In Llangenny, the average sunshine in December is 4.1h.

UV index

The months with the lowest UV index in Llangenny are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.

Frequently asked questions

What are December temperatures in Llangenny?
Llangenny in December has an average high-temperature of 7.3°C (45.1°F) and an average low-temperature of 3.4°C (38.1°F).
What are the most humid months in Llangenny?
November and December, with an average relative humidity of 90%, are most humid months in Llangenny, United Kingdom.
What is the average humidity in December in Llangenny?
The average relative humidity in December is 90%.
How much does it rain in Llangenny in December?
In Llangenny, United Kingdom, in December, it is raining for 9.3 days, with typically 30mm (1.18") of accumulated precipitation.
How many days does it snow in December in Llangenny?
In Llangenny, in December, during 1.7 snowfall days, 10mm (0.39") of snow is typically accumulated.
What is the month with the shortest days in Llangenny?
December has the shortest days of the year, with an average of 7h and 54min of daylight.
How many hours of daylight does Llangenny have in December?
The average day length in December in Llangenny, United Kingdom, is 7h and 52min.
When are sunrise and sunset in December in Llangenny?
On the first day of December in Llangenny, sunrise is at 7:57 am and sunset at 4:05 pm. On the last day of the month, sunrise is at 8:19 am and sunset at 4:11 pm GMT.
How many hours of sunshine does Llangenny have in December?
In December, the average sunshine duration in Llangenny is 4.1h.
What are the months with the lowest UV index in Llangenny?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Llangenny, United Kingdom.
What is the UV index reading in December in Llangenny?
The average daily maximum UV index in December in Llangenny is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
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
Llangenny, United Kingdom
  • Average high temperature in December: 7.3°C

The warmest month (with the highest average high temperature) is July (19.1°C).
The month with the lowest average high temperature is January (6.4°C).

  • Average low temperature in December: 3.4°C

The month with the highest average low temperature is August (11.7°C).
The coldest months (with the lowest average low temperature) are January and February (2.1°C).

Average pressure in December
Llangenny, United Kingdom
  • Average pressure in December: 1013.7mbar

The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).

Average wind speed in December
Llangenny, United Kingdom
  • Average wind speed in December: 18.9km/h

The windiest month (with the highest average wind speed) is February (19.6km/h).
The calmest months (with the lowest average wind speed) are June and July (13.1km/h).

Average humidity in December
Llangenny, United Kingdom
  • Average humidity in December: 90%

The months with the highest relative humidity are November and December (90%).
The months with the lowest relative humidity are March, April, May and July (84%).

Average rainfall in December
Llangenny, United Kingdom
  • Average rainfall in December: 30mm

The wettest month (with the highest rainfall) is November (45mm).
The driest month (with the least rainfall) is September (16mm).

Average rainfall days in December
Llangenny, United Kingdom
  • Average rainfall days in December: 9.3 days

The month with the highest number of rainy days is July (15.3 days).
The months with the least rainy days are February and December (9.3 days).

Average snowfall in December
Llangenny, United Kingdom
  • Average snowfall in December: 10mm

The month with the highest snowfall is February (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December
Llangenny, United Kingdom
  • Average snowfall days in December: 1.7 days

The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Llangenny, United Kingdom
  • Average daylight in December: 7h and 5min

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in December: 4h and 1min

The months with the most sunshine are May and July (Average sunshine: 7h and 30min).
The month with the least sunshine is November (Average sunshine: 3h and 36min).

Average sunshine days in December
Llangenny, United Kingdom
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is December (18.4 days).
The month with the least sunshine days is July (12.3 days).

Average UV index in December
Llangenny, United Kingdom
  • Average UV index in December: 2

The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in December
Llangenny, United Kingdom
  • Average cloud cover in December: 60

The month with the most cloud cover is November (Cloud cover 64).
The months with the least cloud cover are April and May (Cloud cover 52).

Average visibility in December
Llangenny, United Kingdom
  • Average visibility in December: 9km

The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (9km).
The months with the lowest visibility are August and September (8km).

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