December weather forecastBlaina, United Kingdom
December weather for Blaina, United Kingdom: In Blaina, United Kingdom, during December, the rain falls for 16.6 days and regularly aggregates up to 62mm (2.44") of precipitation. With an average of 7h and 54min of daylight, December has the shortest days of the year in Blaina, United Kingdom.
December
Weather in December
The first month of the winter, December, is still a chilly month in Blaina, United Kingdom, with an average temperature fluctuating between 3.5°C (38.3°F) and 7.3°C (45.1°F).Temperature
Blaina starts December with an average high-temperature of a still frosty 7.3°C (45.1°F), hinting at a minimal fluctuation from November. Nighttime temperatures hover around an average low of 3.5°C (38.3°F) in December, a slight descent from daytime highs.Humidity
November and December, with an average relative humidity of 90%, are the most humid months.Rainfall
In December, in Blaina, the rain falls for 16.6 days. Throughout December, 62mm (2.44") of precipitation is accumulated. In Blaina, United Kingdom, during the entire year, the rain falls for 197.4 days and collects up to 601mm (23.66") of precipitation.Snowfall
January through May, November and December are months with snowfall. In Blaina, in December, snow falls for 2.4 days, with typically accumulated 20mm (0.79") of snow. Throughout the year, there are 14.5 snowfall days, and 136mm (5.35") of snow is accumulated.Daylight
With an average of 7h and 54min of daylight, December has the shortest days of the year in Blaina.On the first day of the month, sunrise is at 7:57 am and sunset at 4:05 pm. On the last day of December, sunrise is at 8:19 am and sunset at 4:12 pm GMT.
Sunshine
In Blaina, the average sunshine in December is 3.7h.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 value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Blaina, 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
Blaina, 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
Blaina, 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
Blaina, 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
Blaina, United Kingdom
- Average rainfall in December: 62mm
The wettest month (with the highest rainfall) is November (75mm).
The driest months (with the least rainfall) are April, May and September (35mm).
Average rainfall days in December
Blaina, 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
Blaina, 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
Blaina, 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
Blaina, United Kingdom
- Average daylight in December: 7h and 54min
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 42min
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 30min).
Average sunshine days in December
Blaina, 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
Blaina, 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
Blaina, 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
Blaina, 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).





