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
December's arrival registers an average high-temperature of a still frosty 8°C (46.4°F), closely aligning with the temperature of the previous month. Llysfaen in December experiences a minor decline in temperature, with an average low of 5.3°C (41.5°F) at night.Humidity
In December, the average relative humidity in Llysfaen is 84%.Rainfall
In Llysfaen, in December, it is raining for 22.5 days, with typically 64mm (2.52") of accumulated precipitation. Throughout the year, there are 228.5 rainfall days, and 604mm (23.78") of precipitation is accumulated.Snowfall
Months with snowfall in Llysfaen are January through April, November and December. In Llysfaen, during December, snow falls for 1.9 days and regularly aggregates up to 20mm (0.79") of snow. Throughout the year, in Llysfaen, there are 9 snowfall days, and 69mm (2.72") of snow is accumulated.Daylight
With an average of 7h and 36min of daylight, December has the shortest days of the year in Llysfaen.On the first day of December, sunrise is at 8:07 am and sunset at 4:00 pm. On the last day of the month, sunrise is at 8:29 am and sunset at 4:06 pm GMT.
Sunshine
In December, the average sunshine is 3.7h.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 unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Stay sun-safe with clothing that is both closely woven and worn loosely. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What are the temperatures in Llysfaen in December?
What is the average humidity in December in Llysfaen?
How much does it rain in Llysfaen in December?
How many days does it snow in December in Llysfaen?
What is the month with the shortest days in Llysfaen?
How many hours of daylight does Llysfaen have in December?
When are sunrise and sunset in December in Llysfaen?
How many hours of sunshine does Llysfaen have in December?
When is the lowest UV index in Llysfaen?
What is the UV index reading in December in Llysfaen?
Average temperature in December
Llysfaen, United Kingdom
- Average high temperature in December: 8°C
The warmest month (with the highest average high temperature) is July (16.9°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in December: 5.3°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (3.8°C).
Average pressure in December
Llysfaen, United Kingdom
- Average pressure in December: 1011.8mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).
Average wind speed in December
Llysfaen, United Kingdom
- Average wind speed in December: 23.8km/h
The windiest month (with the highest average wind speed) is December (23.8km/h).
The calmest month (with the lowest average wind speed) is June (14.4km/h).
Average humidity in December
Llysfaen, United Kingdom
- Average humidity in December: 84%
The months with the highest relative humidity are January and August (85%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in December
Llysfaen, United Kingdom
- Average rainfall in December: 64mm
The wettest month (with the highest rainfall) is November (68mm).
The driest month (with the least rainfall) is May (31mm).
Average rainfall days in December
Llysfaen, United Kingdom
- Average rainfall days in December: 22.5 days
The month with the highest number of rainy days is December (22.5 days).
The month with the least rainy days is February (15.8 days).
Average snowfall in December
Llysfaen, United Kingdom
- Average snowfall in December: 20mm
The month with the highest snowfall is February (21mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Llysfaen, United Kingdom
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is February (3.3 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
Llysfaen, United Kingdom
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 3h and 4min
The months with the most sunshine are May and June (Average sunshine: 7h and 42min).
The month with the least sunshine is November (Average sunshine: 3h and 36min).
Average sunshine days in December
Llysfaen, United Kingdom
- Average sunshine days in December: 5.4 days
The months with the most sunshine days are March and May (11 days).
The month with the least sunshine days is November (5.2 days).
Average UV index in December
Llysfaen, 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
Llysfaen, United Kingdom
- Average cloud cover in December: 65
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is May (Cloud cover 49).
Average visibility in December
Llysfaen, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are March, September and October (10km).
The months with the lowest visibility are January, February, April, May, June, July, August, November and December (9km).
Llysfaen, United Kingdom
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