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 advent presents an average high-temperature of a frosty 8.5°C (47.3°F), indicating a slight variation from the conditions of the previous month. A steady low-temperature average of 5.1°C (41.2°F) is logged during December, reflecting a modest dip from daytime readings.Humidity
January, November and December, with an average relative humidity of 86%, are the most humid months in Llantwit Major.Rainfall
In December, in Llantwit Major, the rain falls for 14.8 days. Throughout December, 66mm (2.6") of precipitation is accumulated. In Llantwit Major, United Kingdom, during the entire year, the rain falls for 177.9 days and collects up to 579mm (22.8") of precipitation.Snowfall
Months with snowfall in Llantwit Major are January through March, November and December. In Llantwit Major, in December, snow falls for 0.8 days, with typically accumulated 8mm (0.31") of snow. Throughout the year, in Llantwit Major, there are 3.6 snowfall days, and 30mm (1.18") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 7h and 54min of daylight.On the first day of the month, sunrise is at 7:57 am and sunset at 4:08 pm. On the last day of December, in Llantwit Major, sunrise is at 8:18 am and sunset at 4:15 pm GMT.
Sunshine
The average sunshine in December in Llantwit Major is 4h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Llantwit Major. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 2 in December transforms into this advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What are the temperatures in Llantwit Major in December?
What is the most humid month in Llantwit Major?
What is the average humidity in December in Llantwit Major?
How much does it rain in Llantwit Major in December?
How much does it snow in Llantwit Major in December?
What is the month with the shortest days in Llantwit Major?
What is the average length of the day in December in Llantwit Major?
When are sunrise and sunset in December in Llantwit Major?
How many hours of sunshine does Llantwit Major have in December?
What is the month with the lowest UV index in Llantwit Major?
How high is the UV index in December in Llantwit Major?
Average temperature in December
Llantwit Major, United Kingdom
- Average high temperature in December: 8.5°C
The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is January (7.4°C).
- Average low temperature in December: 5.1°C
The months with the highest average low temperature are July and August (12.8°C).
The coldest months (with the lowest average low temperature) are January and February (3.8°C).
Average pressure in December
Llantwit Major, United Kingdom
- Average pressure in December: 1014.1mbar
The months with the highest atmospheric pressure are May and September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010mbar).
Average wind speed in December
Llantwit Major, United Kingdom
- Average wind speed in December: 22km/h
The windiest month (with the highest average wind speed) is February (22.2km/h).
The calmest month (with the lowest average wind speed) is June (15km/h).
Average humidity in December
Llantwit Major, United Kingdom
- Average humidity in December: 86%
The months with the highest relative humidity are January, November and December (86%).
The month with the lowest relative humidity is April (81%).
Average rainfall in December
Llantwit Major, United Kingdom
- Average rainfall in December: 66mm
The wettest month (with the highest rainfall) is November (72mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days in December
Llantwit Major, United Kingdom
- Average rainfall days in December: 14.8 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is September (12.5 days).
Average snowfall in December
Llantwit Major, United Kingdom
- Average snowfall in December: 8mm
The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Llantwit Major, United Kingdom
- Average snowfall days in December: 0.8 days
The months with the highest number of snowfall days are January and February (1.1 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
Llantwit Major, United Kingdom
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is May (Average sunshine: 8h and 12min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).
Average sunshine days in December
Llantwit Major, United Kingdom
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is September (15.7 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in December
Llantwit Major, 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
Llantwit Major, United Kingdom
- Average cloud cover in December: 60
The month with the most cloud cover is November (Cloud cover 62).
The months with the least cloud cover are April and May (Cloud cover 47).
Average visibility in December
Llantwit Major, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Llantwit Major, United Kingdom
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