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
December
Weather in December
Temperature
December reports an average high-temperature of a still frosty 7°C (44.6°F), slightly varied from November's 8.7°C (47.7°F). The temperature in Llanegryn during December nights demonstrates a small drop from the daytime highs, settling to an average of 3.3°C (37.9°F).Humidity
In Llanegryn, the average relative humidity in December is 89%.Rainfall
The month with the most rainfall is December, when the rain falls for 20.7 days and typically aggregates up to 94mm (3.7") of precipitation.Snowfall
January through May, November and December are months with snowfall. In Llanegryn, in December, during 3.3 snowfall days, 34mm (1.34") of snow is typically accumulated. In Llanegryn, during the entire year, snow falls for 19.4 days and aggregates up to 197mm (7.76") of snow.Daylight
The month with the shortest days in Llanegryn is December, with an average of 7h and 42min of daylight.On the first day of December, sunrise is at 8:05 am and sunset at 4:05 pm. On the last day of the month, sunrise is at 8:27 am and sunset at 4:11 pm GMT.
Sunshine
December has the least sunshine of the year in Llanegryn, with an average of 3.1h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 2 during December leads to these advisories:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Llanegryn in December?
What is the average humidity in December in Llanegryn?
What is the wettest month in Llanegryn?
How much does it rain in Llanegryn in December?
How many days does it snow in December in Llanegryn?
What is the month with the shortest days in Llanegryn?
How many hours of daylight does Llanegryn have in December?
What time are sunrise and sunset in December in Llanegryn?
What is the month with the least sunshine in Llanegryn?
How many hours of sunshine does Llanegryn have in December?
What is the month with the lowest UV index in Llanegryn?
How high is the UV index in December in Llanegryn?
Average temperature in December
Llanegryn, United Kingdom
- Average high temperature in December: 7°C
The warmest month (with the highest average high temperature) is July (17.2°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 3.3°C
The month with the highest average low temperature is August (10.8°C).
The coldest month (with the lowest average low temperature) is February (1.9°C).
Average pressure in December
Llanegryn, United Kingdom
- Average pressure in December: 1012.5mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.2mbar).
Average wind speed in December
Llanegryn, United Kingdom
- Average wind speed in December: 19.1km/h
The windiest month (with the highest average wind speed) is December (19.1km/h).
The calmest month (with the lowest average wind speed) is June (11.9km/h).
Average humidity in December
Llanegryn, United Kingdom
- Average humidity in December: 89%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in December
Llanegryn, United Kingdom
- Average rainfall in December: 94mm
The wettest month (with the highest rainfall) is December (94mm).
The driest month (with the least rainfall) is May (41mm).
Average rainfall days in December
Llanegryn, United Kingdom
- Average rainfall days in December: 20.7 days
The month with the highest number of rainy days is November (21 days).
The month with the least rainy days is February (14.7 days).
Average snowfall in December
Llanegryn, United Kingdom
- Average snowfall in December: 34mm
The month with the highest snowfall is January (57mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Llanegryn, United Kingdom
- Average snowfall days in December: 3.3 days
The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Llanegryn, United Kingdom
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is May (Average sunshine: 7h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in December
Llanegryn, United Kingdom
- Average sunshine days in December: 7.1 days
The month with the most sunshine days is March (11.7 days).
The month with the least sunshine days is November (6.4 days).
Average UV index in December
Llanegryn, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (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
Llanegryn, United Kingdom
- Average cloud cover in December: 70
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is April (Cloud cover 54).
Average visibility in December
Llanegryn, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are March, April, November and December (9km).
The months with the lowest visibility are January, February, May, June, July, August, September and October (8km).
