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
The commencement of December brings an average high-temperature of a still frosty 6.6°C (43.9°F), marking an inconsequential divergence from November. Llandecwyn, during the nights of December, averages a temperature close to its daytime high, at a wintry 3°C (37.4°F).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 91%.Rainfall
The month with the most rainfall in Llandecwyn is December, when the rain falls for 20.8 days and typically aggregates up to 103mm (4.06") of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 3.9 days. Throughout December, 46mm (1.81") of snow is accumulated. In Llandecwyn, United Kingdom, during the entire year, snow falls for 22.5 days and aggregates up to 260mm (10.24") of snow.Daylight
December has the shortest days of the year, with an average of 7h and 42min of daylight.On the first day of December in Llandecwyn, sunrise is at 8:06 am and sunset at 4:03 pm. On the last day of the month, sunrise is at 8:28 am and sunset at 4:09 pm GMT.
Sunshine
With an average of 2.5h of sunshine, December has the least sunshine of the year in Llandecwyn.UV index
The months with the lowest UV index in Llandecwyn are January through April, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 2 in December transforms into this advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
How cold does it get in Llandecwyn in December?
What is the most humid month in Llandecwyn?
What is the average humidity in December in Llandecwyn?
What is the wettest month in Llandecwyn?
How many days does it rain in December in Llandecwyn?
How much does it snow in Llandecwyn in December?
What is the month with the shortest days in Llandecwyn?
What is the average length of the day in December in Llandecwyn?
When is the sunrise / sunset in December in Llandecwyn?
What is the month with the least sunshine in Llandecwyn?
How long on average sun shines in December in Llandecwyn?
What are the months with the lowest UV index in Llandecwyn?
What is the UV index intensity in December in Llandecwyn?
Average temperature in December
Llandecwyn, United Kingdom
- Average high temperature in December: 6.6°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 (5.6°C).
- Average low temperature in December: 3°C
The month with the highest average low temperature is August (10.6°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).
Average pressure in December
Llandecwyn, United Kingdom
- Average pressure in December: 1012.3mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.1mbar).
Average wind speed in December
Llandecwyn, United Kingdom
- Average wind speed in December: 17.8km/h
The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest month (with the lowest average wind speed) is June (11.2km/h).
Average humidity in December
Llandecwyn, United Kingdom
- Average humidity in December: 91%
The months with the highest relative humidity are January and December (91%).
The months with the lowest relative humidity are April and May (84%).
Average rainfall in December
Llandecwyn, United Kingdom
- Average rainfall in December: 103mm
The wettest month (with the highest rainfall) is December (103mm).
The driest months (with the least rainfall) are April and May (52mm).
Average rainfall days in December
Llandecwyn, United Kingdom
- Average rainfall days in December: 20.8 days
The month with the highest number of rainy days is August (22.4 days).
The month with the least rainy days is February (15.3 days).
Average snowfall in December
Llandecwyn, United Kingdom
- Average snowfall in December: 46mm
The month with the highest snowfall is January (70mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Llandecwyn, United Kingdom
- Average snowfall days in December: 3.9 days
The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Llandecwyn, 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: 2h and 3min
The months with the most sunshine are May and June (Average sunshine: 6h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in December
Llandecwyn, United Kingdom
- Average sunshine days in December: 6.5 days
The month with the most sunshine days is March (10.8 days).
The month with the least sunshine days is August (5.9 days).
Average UV index in December
Llandecwyn, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, June and August (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).
Average cloud cover in December
Llandecwyn, United Kingdom
- Average cloud cover in December: 76
The month with the most cloud cover is December (Cloud cover 76).
The month with the least cloud cover is April (Cloud cover 60).
Average visibility in December
Llandecwyn, United Kingdom
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (8km).
The months with the lowest visibility are August and September (7km).
Llandecwyn, United Kingdom
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