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 shift into December uncovers an average high-temperature of a still chilly 7°C (44.6°F), subtly different from the previous month. In Cefn-coed-y-cymmer, the nighttime temperature in December descends gently to an average of 3.4°C (38.1°F).Humidity
The months with the highest humidity are November and December, with an average relative humidity of 90%.Rainfall
In Cefn-coed-y-cymmer, in December, it is raining for 16.5 days, with typically 65mm (2.56") of accumulated precipitation. In Cefn-coed-y-cymmer, during the entire year, the rain falls for 186.1 days and collects up to 566mm (22.28") of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Cefn-coed-y-cymmer, in December, during 2.5 snowfall days, 26mm (1.02") of snow is typically accumulated. Throughout the year, there are 13.6 snowfall days, and 134mm (5.28") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 7h and 54min of daylight.On the first day of December, sunrise is at 7:58 am and sunset at 4:06 pm. On the last day of the month, sunrise is at 8:20 am and sunset at 4:13 pm GMT.
Sunshine
In Cefn-coed-y-cymmer, the average sunshine in December is 3.6h.UV index
The months with the lowest UV index 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 low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Cefn-coed-y-cymmer have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Cefn-coed-y-cymmer have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Cefn-coed-y-cymmer, United Kingdom
- Average high temperature in December: 7°C
The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in December: 3.4°C
The months with the highest average low temperature are July and August (11.3°C).
The coldest month (with the lowest average low temperature) is February (2°C).
Average pressure in December
Cefn-coed-y-cymmer, 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
Cefn-coed-y-cymmer, United Kingdom
- Average wind speed in December: 19.8km/h
The windiest month (with the highest average wind speed) is February (20.3km/h).
The calmest month (with the lowest average wind speed) is June (13.7km/h).
Average humidity in December
Cefn-coed-y-cymmer, United Kingdom
- Average humidity in December: 90%
The months with the highest relative humidity are November and December (90%).
The month with the lowest relative humidity is April (83%).
Average rainfall in December
Cefn-coed-y-cymmer, United Kingdom
- Average rainfall in December: 65mm
The wettest month (with the highest rainfall) is November (74mm).
The driest months (with the least rainfall) are May and September (32mm).
Average rainfall days in December
Cefn-coed-y-cymmer, United Kingdom
- Average rainfall days in December: 16.5 days
The month with the highest number of rainy days is November (18.7 days).
The month with the least rainy days is September (12.7 days).
Average snowfall in December
Cefn-coed-y-cymmer, United Kingdom
- Average snowfall in December: 26mm
The month with the highest snowfall is January (32mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Cefn-coed-y-cymmer, United Kingdom
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (4.3 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
Cefn-coed-y-cymmer, 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: 3h and 4min
The months with the most sunshine are May and July (Average sunshine: 7h and 18min).
The month with the least sunshine is November (Average sunshine: 3h and 24min).
Average sunshine days in December
Cefn-coed-y-cymmer, United Kingdom
- Average sunshine days in December: 9.6 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is November (8.2 days).
Average UV index in December
Cefn-coed-y-cymmer, 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
Cefn-coed-y-cymmer, United Kingdom
- Average cloud cover in December: 65
The month with the most cloud cover is November (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in December
Cefn-coed-y-cymmer, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June and December (9km).
The months with the lowest visibility are July, August, September, October and November (8km).
