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
Llywel, United Kingdom, indicates an average high-temperature of a still chilly 6.7°C (44.1°F) in December, showing minor variation from November's 8.6°C (47.5°F). Llywel's average nighttime temperature in December modestly descends to a wintry 2.8°C (37°F).Humidity
With an average relative humidity of 92%, December is the most humid month.Rainfall
In Llywel, in December, during 15 rainfall days, 44mm (1.73") of precipitation is typically accumulated. In Llywel, United Kingdom, during the entire year, the rain falls for 165.1 days and collects up to 406mm (15.98") of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, in Llywel, it is snowing for 2.1 days. Throughout December, 20mm (0.79") of snow is accumulated. In Llywel, during the entire year, snow falls for 14.6 days and aggregates up to 137mm (5.39") of snow.Daylight
With an average of 7h and 54min of daylight, December has the shortest days of the year in Llywel.On the first day of December in Llywel, sunrise is at 8:00 am and sunset at 4:06 pm. On the last day of the month, sunrise is at 8:22 am and sunset at 4:13 pm GMT.
Sunshine
The average sunshine in December is 3.2h.UV index
The months with the lowest UV index in Llywel 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 low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
How cold is it in Llywel in December?
What is the most humid month in Llywel?
What is the average humidity in December in Llywel?
How many days does it rain in December in Llywel?
How much does it snow in Llywel in December?
What is the month with the shortest days in Llywel?
What is the average length of the day in December in Llywel?
What time are sunrise and sunset in December in Llywel?
How long on average sun shines in December in Llywel?
When is the lowest UV index in Llywel?
What is the UV index intensity in December in Llywel?
Average temperature in December
Llywel, United Kingdom
- Average high temperature in December: 6.7°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 2.8°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 (1.5°C).
Average pressure in December
Llywel, United Kingdom
- Average pressure in December: 1013.4mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in December
Llywel, United Kingdom
- Average wind speed in December: 18.5km/h
The windiest month (with the highest average wind speed) is February (19km/h).
The calmest months (with the lowest average wind speed) are June and July (13km/h).
Average humidity in December
Llywel, United Kingdom
- Average humidity in December: 92%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and May (84%).
Average rainfall in December
Llywel, United Kingdom
- Average rainfall in December: 44mm
The wettest months (with the highest rainfall) are June and November (45mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in December
Llywel, United Kingdom
- Average rainfall days in December: 15 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (10.4 days).
Average snowfall in December
Llywel, United Kingdom
- Average snowfall in December: 20mm
The month with the highest snowfall is November (35mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Llywel, United Kingdom
- Average snowfall days in December: 2.1 days
The month with the highest number of snowfall days is January (4.8 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
Llywel, 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: 3h and 1min
The months with the most sunshine are April and May (Average sunshine: 6h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Llywel, United Kingdom
- Average sunshine days in December: 12.4 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in December
Llywel, 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
Llywel, United Kingdom
- Average cloud cover in December: 70
The month with the most cloud cover is November (Cloud cover 71).
The month with the least cloud cover is April (Cloud cover 57).
Average visibility in December
Llywel, United Kingdom
- Average visibility in December: 8km
The months with the highest visibility are February and March (9km).
The month with the lowest visibility is August (7km).
Llywel, United Kingdom
Weather forecast for your location
2. Allow the app to use your location
