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
December's onset records an average high-temperature of a chilly 9.5°C (49.1°F), a near match to November's 11.1°C (52°F). Throughout December, Llangwnnadl reports a steady low-temperature average of 7.5°C (45.5°F), slightly lower than its daytime counterpart.Humidity
The average relative humidity in December is 79%.Rainfall
In Llangwnnadl, United Kingdom, in December, during 20.2 rainfall days, 86mm (3.39") of precipitation is typically accumulated. Throughout the year, there are 214.6 rainfall days, and 798mm (31.42") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Llangwnnadl, United Kingdom. December is the first month it typically snows in Llangwnnadl. Throughout December, in the average 0.5 snowfall days, it receives 4mm (0.16") of snow. Throughout the year, in Llangwnnadl, there are 2.5 snowfall days, and 14mm (0.55") of snow is accumulated.Daylight
With an average of 7h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 8:09 am and sunset at 4:06 pm. On the last day of December, sunrise is at 8:31 am and sunset at 4:12 pm GMT.
Sunshine
With an average of 3.7h of sunshine, December has the least sunshine of the year in Llangwnnadl.UV index
In Llangwnnadl, United Kingdom, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 3 in December leads to these recommendations:
Act with care - The need to guard against sun damage is communicated. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Llangwnnadl?
What is the average humidity in December in Llangwnnadl?
How many days does it rain in December in Llangwnnadl?
When does it start to snow in Llangwnnadl?
What is the month with the shortest days in Llangwnnadl?
How many hours of daylight does Llangwnnadl have in December?
When are sunrise and sunset in December in Llangwnnadl?
What is the month with the least sunshine in Llangwnnadl?
How long on average sun shines in December in Llangwnnadl?
How high is the UV index in December in Llangwnnadl?
Average temperature in December
Llangwnnadl, United Kingdom
- Average high temperature in December: 9.5°C
The warmest month (with the highest average high temperature) is August (16.3°C).
The month with the lowest average high temperature is February (7.6°C).
- Average low temperature in December: 7.5°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (5.7°C).
Average pressure in December
Llangwnnadl, United Kingdom
- Average pressure in December: 1012.2mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009mbar).
Average wind speed in December
Llangwnnadl, United Kingdom
- Average wind speed in December: 32.6km/h
The windiest month (with the highest average wind speed) is December (32.6km/h).
The calmest month (with the lowest average wind speed) is June (18.9km/h).
Average humidity in December
Llangwnnadl, United Kingdom
- Average humidity in December: 79%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (78%).
Average rainfall in December
Llangwnnadl, United Kingdom
- Average rainfall in December: 86mm
The wettest month (with the highest rainfall) is November (99mm).
The driest months (with the least rainfall) are April and May (42mm).
Average rainfall days in December
Llangwnnadl, United Kingdom
- Average rainfall days in December: 20.2 days
The month with the highest number of rainy days is November (21.4 days).
The month with the least rainy days is May (14.7 days).
Average snowfall in December
Llangwnnadl, United Kingdom
- Average snowfall in December: 4mm
The month with the highest snowfall is February (6mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Llangwnnadl, United Kingdom
- Average snowfall days in December: 0.5 days
The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Llangwnnadl, 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 4min
The month with the most sunshine is May (Average sunshine: 8h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in December
Llangwnnadl, United Kingdom
- Average sunshine days in December: 7.8 days
The month with the most sunshine days is May (13.9 days).
The month with the least sunshine days is November (6.5 days).
Average UV index in December
Llangwnnadl, United Kingdom
- Average UV index in December: 3
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 and February (UV index 2).
Average cloud cover in December
Llangwnnadl, United Kingdom
- Average cloud cover in December: 64
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are May and June (Cloud cover 45).
Average visibility in December
Llangwnnadl, United Kingdom
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
