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
The arrival of December denotes a barely perceptible change in the average high-temperatures to a still chilly 7.3°C (45.1°F) from November's 9.2°C (48.6°F). Brynmawr, in December, registers a nighttime average temperature of 3.5°C (38.3°F).Humidity
November and December, with an average relative humidity of 90%, are the most humid months.Rainfall
In Brynmawr, in December, during 16.6 rainfall days, 62mm (2.44") of precipitation is typically accumulated. Throughout the year, in Brynmawr, there are 197.4 rainfall days, and 601mm (23.66") of precipitation is accumulated.Snowfall
Months with snowfall in Brynmawr, United Kingdom, are January through May, November and December. In Brynmawr, during December, snow falls for 2.4 days and regularly aggregates up to 20mm (0.79") of snow. In Brynmawr, during the entire year, snow falls for 14.5 days and aggregates up to 136mm (5.35") of snow.Daylight
December has the shortest days of the year in Brynmawr, with an average of 7h and 54min of daylight.On the first day of the month, sunrise is at 7:58 am and sunset at 4:05 pm. On the last day of December, in Brynmawr, United Kingdom, sunrise is at 8:19 am and sunset at 4:12 pm GMT.
Sunshine
The average sunshine in December is 3.9h.UV index
The months with the lowest UV index in Brynmawr, United Kingdom, are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What is the usual temperature for Brynmawr in December?
What are the most humid months in Brynmawr?
What is the average humidity in December in Brynmawr?
How much does it rain in Brynmawr in December?
How much does it snow in Brynmawr in December?
What is the month with the shortest days in Brynmawr?
How many hours of daylight does Brynmawr have in December?
When is the sunrise / sunset in December in Brynmawr?
How long on average sun shines in December in Brynmawr?
What is the month with the lowest UV index in Brynmawr?
How high is the UV index in December in Brynmawr?
Average temperature in December
Brynmawr, United Kingdom
- Average high temperature in December: 7.3°C
The warmest month (with the highest average high temperature) is July (18.4°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in December: 3.5°C
The month with the highest average low temperature is August (11.6°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in December
Brynmawr, 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
Brynmawr, United Kingdom
- Average wind speed in December: 19.5km/h
The windiest month (with the highest average wind speed) is February (20.2km/h).
The calmest month (with the lowest average wind speed) is June (13.5km/h).
Average humidity in December
Brynmawr, 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 April and May (84%).
Average rainfall in December
Brynmawr, United Kingdom
- Average rainfall in December: 62mm
The wettest month (with the highest rainfall) is November (75mm).
The driest month (with the least rainfall) is September (34mm).
Average rainfall days in December
Brynmawr, United Kingdom
- Average rainfall days in December: 16.6 days
The months with the highest number of rainy days are July and November (19.1 days).
The month with the least rainy days is February (12.8 days).
Average snowfall in December
Brynmawr, United Kingdom
- Average snowfall in December: 20mm
The month with the highest snowfall is January (37mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Brynmawr, United Kingdom
- Average snowfall days in December: 2.4 days
The months with the highest number of snowfall days are January and February (3.9 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
Brynmawr, 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 5min
The month with the most sunshine is July (Average sunshine: 7h and 36min).
The month with the least sunshine is November (Average sunshine: 3h and 36min).
Average sunshine days in December
Brynmawr, United Kingdom
- Average sunshine days in December: 9.4 days
The months with the most sunshine days are March and April (12.3 days).
The month with the least sunshine days is November (7.3 days).
Average UV index in December
Brynmawr, 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
Brynmawr, United Kingdom
- Average cloud cover in December: 62
The month with the most cloud cover is November (Cloud cover 65).
The months with the least cloud cover are April and May (Cloud cover 51).
Average visibility in December
Brynmawr, 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).
Brynmawr, United Kingdom
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