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
The arrival of December records an average high-temperature of a still chilly 7.3°C (45.1°F), closely related to the 9.4°C (48.9°F) observed in November. Llanddewi Rhydderch notes a steady average temperature of 3.4°C (38.1°F) during the nights of December.Humidity
The months with the highest humidity in Llanddewi Rhydderch are November and December, with an average relative humidity of 90%.Rainfall
In Llanddewi Rhydderch, during December, the rain falls for 9.3 days and regularly aggregates up to 30mm (1.18") of precipitation. In Llanddewi Rhydderch, during the entire year, the rain falls for 140.4 days and collects up to 322mm (12.68") of precipitation.Snowfall
January through April, November and December are months with snowfall. In Llanddewi Rhydderch, United Kingdom, in December, snow falls for 1.7 days, with typically accumulated 10mm (0.39") of snow. Throughout the year, in Llanddewi Rhydderch, United Kingdom, there are 8.8 snowfall days, and 56mm (2.2") of snow is accumulated.Daylight
December has the shortest days of the year in Llanddewi Rhydderch, with an average of 7h and 54min of daylight.On the first day of December in Llanddewi Rhydderch, sunrise is at 7:57 am and sunset at 4:04 pm. On the last day of the month, sunrise is at 8:18 am and sunset at 4:11 pm GMT.
Sunshine
The average sunshine in December is 4.1h.UV index
The months with the lowest UV index in Llanddewi Rhydderch are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Llanddewi Rhydderch?
What is the most humid month in Llanddewi Rhydderch?
What is the average humidity in December in Llanddewi Rhydderch?
How much does it rain in Llanddewi Rhydderch in December?
How many days does it snow in December in Llanddewi Rhydderch?
What is the month with the shortest days in Llanddewi Rhydderch?
What is the average length of the day in December in Llanddewi Rhydderch?
When is the sunrise / sunset in December in Llanddewi Rhydderch?
How many hours of sunshine does Llanddewi Rhydderch have in December?
What are the months with the lowest UV index in Llanddewi Rhydderch?
What is the UV index reading in December in Llanddewi Rhydderch?
Average temperature in December
Llanddewi Rhydderch, United Kingdom
- Average high temperature in December: 7.3°C
The warmest month (with the highest average high temperature) is July (19.1°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in December: 3.4°C
The month with the highest average low temperature is August (11.7°C).
The coldest months (with the lowest average low temperature) are January and February (2.1°C).
Average pressure in December
Llanddewi Rhydderch, United Kingdom
- Average pressure in December: 1013.7mbar
The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in December
Llanddewi Rhydderch, United Kingdom
- Average wind speed in December: 18.9km/h
The windiest month (with the highest average wind speed) is February (19.6km/h).
The calmest months (with the lowest average wind speed) are June and July (13.1km/h).
Average humidity in December
Llanddewi Rhydderch, United Kingdom
- Average humidity in December: 90%
The months with the highest relative humidity are November and December (90%).
The months with the lowest relative humidity are March, April, May and July (84%).
Average rainfall in December
Llanddewi Rhydderch, United Kingdom
- Average rainfall in December: 30mm
The wettest month (with the highest rainfall) is November (45mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in December
Llanddewi Rhydderch, United Kingdom
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is July (15.3 days).
The months with the least rainy days are February and December (9.3 days).
Average snowfall in December
Llanddewi Rhydderch, United Kingdom
- Average snowfall in December: 10mm
The month with the highest snowfall is February (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Llanddewi Rhydderch, United Kingdom
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is February (2.9 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
Llanddewi Rhydderch, United Kingdom
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 4h and 1min
The months with the most sunshine are May and July (Average sunshine: 7h and 30min).
The month with the least sunshine is November (Average sunshine: 3h and 36min).
Average sunshine days in December
Llanddewi Rhydderch, United Kingdom
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is December (18.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in December
Llanddewi Rhydderch, 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
Llanddewi Rhydderch, United Kingdom
- Average cloud cover in December: 60
The month with the most cloud cover is November (Cloud cover 64).
The months with the least cloud cover are April and May (Cloud cover 52).
Average visibility in December
Llanddewi Rhydderch, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (9km).
The months with the lowest visibility are August and September (8km).
