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
During December, the average high-temperature is a still chilly 7°C (44.6°F), maintaining a close resemblance to that of the preceding month. Llanfachreth's temperature during December nights registers a minor decrease to an average low of 3.3°C (37.9°F).Humidity
In December, the average relative humidity is 89%.Rainfall
The month with the most rainfall in Llanfachreth 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 Llanfachreth, United Kingdom, in December, snow falls for 3.3 days, with typically accumulated 34mm (1.34") of snow. In Llanfachreth, 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 is December, with an average of 7h and 42min of daylight.On the first day of December in Llanfachreth, sunrise is at 8:05 am and sunset at 4:03 pm. On the last day of the month, sunrise is at 8:27 am and sunset at 4:09 pm GMT.
Sunshine
With an average of 3.1h of sunshine, December has the least sunshine of the year in Llanfachreth.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Llanfachreth in December?
What is the average humidity in December in Llanfachreth?
What is the rainiest month in Llanfachreth?
How much does it rain in Llanfachreth in December?
How many days does it snow in December in Llanfachreth?
What is the month with the shortest days in Llanfachreth?
How many hours of daylight does Llanfachreth have in December?
What time are sunrise and sunset in December in Llanfachreth?
What is the month with the least sunshine in Llanfachreth?
How long on average sun shines in December in Llanfachreth?
When is the lowest UV index in Llanfachreth?
What is the UV index intensity in December in Llanfachreth?
Average temperature in December
Llanfachreth, 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
Llanfachreth, 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
Llanfachreth, 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
Llanfachreth, 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
Llanfachreth, 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
Llanfachreth, 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
Llanfachreth, 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
Llanfachreth, 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
Llanfachreth, 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
Llanfachreth, 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
Llanfachreth, 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
Llanfachreth, 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
Llanfachreth, 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).
