December weather forecastTreuddyn, United Kingdom
December
Weather in December
The first month of the winter, December, is also a frosty month in Treuddyn, United Kingdom, with temperature in the range of an average low of 3.5°C (38.3°F) and an average high of 7.2°C (45°F).Temperature
December reports an average high-temperature of a still chilly 7.2°C (45°F), slightly varied from November's 9.3°C (48.7°F). In December, Treuddyn's nighttime temperatures demonstrate a slight decrease, stabilizing at an average of 3.5°C (38.3°F).Humidity
January, November and December, with an average relative humidity of 88%, are the most humid months.Rainfall
In Treuddyn, United Kingdom, in December, during 14.3 rainfall days, 29mm (1.14") of precipitation is typically accumulated. Throughout the year, there are 177.9 rainfall days, and 337mm (13.27") of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Treuddyn, in December, snow falls for 2.7 days, with typically accumulated 19mm (0.75") of snow. In Treuddyn, during the entire year, snow falls for 16.6 days and aggregates up to 95mm (3.74") of snow.Daylight
December has the shortest days of the year, with an average of 7h and 36min of daylight.On the first day of December, sunrise is at 8:04 am and sunset at 3:59 pm. On the last day of the month, sunrise is at 8:26 am and sunset at 4:05 pm GMT.
Sunshine
In December, the average sunshine in Treuddyn is 4.2h.UV index
January, February, 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 vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 2 in December translates into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Treuddyn, United Kingdom
- Average high temperature in December: 7.2°C
The warmest month (with the highest average high temperature) is July (18.6°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in December: 3.5°C
The month with the highest average low temperature is August (11.8°C).
The coldest months (with the lowest average low temperature) are January and February (2.3°C).
Average pressure in December
Treuddyn, United Kingdom
- Average pressure in December: 1012.1mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1009.1mbar).
Average wind speed in December
Treuddyn, United Kingdom
- Average wind speed in December: 17.4km/h
The windiest months (with the highest average wind speed) are January and February (17.5km/h).
The calmest month (with the lowest average wind speed) is June (11.8km/h).
Average humidity in December
Treuddyn, United Kingdom
- Average humidity in December: 88%
The months with the highest relative humidity are January, November and December (88%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in December
Treuddyn, United Kingdom
- Average rainfall in December: 29mm
The wettest month (with the highest rainfall) is June (44mm).
The driest months (with the least rainfall) are January, April and May (22mm).
Average rainfall days in December
Treuddyn, United Kingdom
- Average rainfall days in December: 14.3 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (11.4 days).
Average snowfall in December
Treuddyn, United Kingdom
- Average snowfall in December: 19mm
The month with the highest snowfall is January (25mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Treuddyn, United Kingdom
- Average snowfall days in December: 2.7 days
The month with the highest number of snowfall days is February (5.1 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
Treuddyn, United Kingdom
- Average daylight in December: 7h and 36min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 4h and 12min
The months with the most sunshine are April, May and July (Average sunshine: 7h and 30min).
The months with the least sunshine are February and November (Average sunshine: 4h and 0min).
Average sunshine days in December
Treuddyn, United Kingdom
- Average sunshine days in December: 12.1 days
The month with the most sunshine days is March (13.1 days).
The month with the least sunshine days is November (8.9 days).
Average UV index in December
Treuddyn, 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, November and December (UV index 2).
Average cloud cover in December
Treuddyn, United Kingdom
- Average cloud cover in December: 59
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 50).
Average visibility in December
Treuddyn, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
