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 registers an average high-temperature of a still frosty 6.6°C (43.9°F), slightly varied from November's 8.5°C (47.3°F). During the nights of December, Llanwddyn records an average temperature of 2.8°C (37°F), a minor drop from daytime peaks.Humidity
January, November and December, with an average relative humidity of 91%, are the most humid months.Rainfall
December is the month with the most rainfall. Rain falls for 19.7 days and accumulates 80mm (3.15") of precipitation.Snowfall
January through April, November and December are months with snowfall. In Llanwddyn, in December, snow falls for 3.2 days, with typically accumulated 34mm (1.34") of snow. In Llanwddyn, during the entire year, snow falls for 16.1 days and aggregates up to 170mm (6.69") of snow.Daylight
The month with the shortest days in Llanwddyn is December, with an average of 7h and 42min of daylight.On the first day of December, sunrise is at 8:03 am and sunset at 4:02 pm. On the last day of the month, sunrise is at 8:25 am and sunset at 4:08 pm GMT.
Sunshine
The months with the least sunshine are January, November and December, with an average of 3h of sunshine.UV index
The months with the lowest UV index in Llanwddyn, United Kingdom, 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 minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Always opt for UVA and UVB-resistant sunglasses on radiant days. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Llanwddyn?
What is the most humid month in Llanwddyn?
What is the average humidity in December in Llanwddyn?
What is the rainiest month in Llanwddyn?
How much does it rain in Llanwddyn in December?
How much does it snow in Llanwddyn in December?
What is the month with the shortest days in Llanwddyn?
What is the average length of the day in December in Llanwddyn?
When are sunrise and sunset in December in Llanwddyn?
What are the months with the least sunshine in Llanwddyn?
How many hours of sunshine does Llanwddyn have in December?
What is the month with the lowest UV index in Llanwddyn?
How high is the UV index in December in Llanwddyn?
Average temperature in December
Llanwddyn, United Kingdom
- Average high temperature in December: 6.6°C
The warmest month (with the highest average high temperature) is July (17.4°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in December: 2.8°C
The month with the highest average low temperature is August (10.4°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in December
Llanwddyn, United Kingdom
- Average pressure in December: 1012.6mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.3mbar).
Average wind speed in December
Llanwddyn, United Kingdom
- Average wind speed in December: 17.6km/h
The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest month (with the lowest average wind speed) is June (11.3km/h).
Average humidity in December
Llanwddyn, United Kingdom
- Average humidity in December: 91%
The months with the highest relative humidity are January, November and December (91%).
The months with the lowest relative humidity are April and May (84%).
Average rainfall in December
Llanwddyn, United Kingdom
- Average rainfall in December: 80mm
The wettest month (with the highest rainfall) is December (80mm).
The driest month (with the least rainfall) is May (41mm).
Average rainfall days in December
Llanwddyn, United Kingdom
- Average rainfall days in December: 19.7 days
The month with the highest number of rainy days is August (22 days).
The month with the least rainy days is February (15.3 days).
Average snowfall in December
Llanwddyn, United Kingdom
- Average snowfall in December: 34mm
The month with the highest snowfall is February (55mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Llanwddyn, United Kingdom
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is January (4.9 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
Llanwddyn, 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 0min
The month with the most sunshine is May (Average sunshine: 6h and 36min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 0min).
Average sunshine days in December
Llanwddyn, United Kingdom
- Average sunshine days in December: 6.5 days
The month with the most sunshine days is March (10.6 days).
The month with the least sunshine days is August (5.1 days).
Average UV index in December
Llanwddyn, 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, April, November and December (UV index 2).
Average cloud cover in December
Llanwddyn, United Kingdom
- Average cloud cover in December: 71
The month with the most cloud cover is November (Cloud cover 72).
The month with the least cloud cover is April (Cloud cover 58).
Average visibility in December
Llanwddyn, United Kingdom
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (8km).
The months with the lowest visibility are July, August and September (7km).
Llanwddyn, United Kingdom
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