December weather forecastCullybackey, United Kingdom

December

Weather in December

The first month of the winter, December, is still a chilly month in Cullybackey, United Kingdom, with temperature in the range of an average low of 3.2°C (37.8°F) and an average high of 6.8°C (44.2°F).

Temperature

Shifting into December, Cullybackey records an average high-temperature of a still chilly 6.8°C (44.2°F), presenting minor fluctuations compared to the previous month. During December, Cullybackey's nights hold steady with an average temperature of 3.2°C (37.8°F), barely dropping from the daytime highs.

Humidity

January and December, with an average relative humidity of 89%, are the most humid months in Cullybackey.

Rainfall

In Cullybackey, in December, during 9.7 rainfall days, 18mm (0.71") of precipitation is typically accumulated. Throughout the year, in Cullybackey, there are 138.3 rainfall days, and 223mm (8.78") of precipitation is accumulated.

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 7.4 snowfall days, and 36mm (1.42") of snow is accumulated.

Daylight

With an average of 7h and 18min of daylight, December has the shortest days of the year in Cullybackey, United Kingdom.
On the first day of the month, sunrise is at 8:26 am and sunset at 4:02 pm. On the last day of December, sunrise is at 8:49 am and sunset at 4:07 pm GMT.

Sunshine

The average sunshine in December is 3.9h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Cullybackey. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.

Frequently asked questions

In December, in Cullybackey, the average high-temperature is 6.8°C (44.2°F), and the average low-temperature is 3.2°C (37.8°F).

The months with the highest humidity are January and December, with an average relative humidity of 89%.

In Cullybackey, the average relative humidity in December is 89%.

In Cullybackey, during December, the rain falls for 9.7 days and regularly aggregates up to 18mm (0.71") of precipitation.

December is the first month it typically snows in Cullybackey. Throughout December, in the average 0.5 snowfall days, it receives 1mm (0.04") of snow.

December has the shortest days of the year in Cullybackey, United Kingdom, with an average of 7h and 18min of daylight.

In Cullybackey, the average day length in December is 7h and 19min.

In December, on the first day of the month, sunrise is at 8:26 am and sunset at 4:02 pm. On the last day of the month, sunrise is at 8:49 am and sunset at 4:07 pm GMT.

The average sunshine duration in December is 3.9h.

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

In Cullybackey, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Cullybackey, United Kingdom

  • Average high temperature in December: 6.8°C

The warmest month (with the highest average high temperature) is July (16.8°C).
The month with the lowest average high temperature is January (6.1°C).

  • Average low temperature in December: 3.2°C

The month with the highest average low temperature is August (10.8°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).

Average pressure in December
Cullybackey, United Kingdom

  • Average pressure in December: 1008.8mbar

The month with the highest atmospheric pressure is May (1015.4mbar).
The month with the lowest atmospheric pressure is November (1007mbar).

Average wind speed in December
Cullybackey, United Kingdom

  • Average wind speed in December: 21km/h

The windiest month (with the highest average wind speed) is January (21.5km/h).
The calmest month (with the lowest average wind speed) is July (13.8km/h).

Average humidity in December
Cullybackey, United Kingdom

  • Average humidity in December: 89%

The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are April and May (83%).

Average rainfall in December
Cullybackey, United Kingdom

  • Average rainfall in December: 18mm

The wettest month (with the highest rainfall) is June (29mm).
The driest months (with the least rainfall) are January and September (11mm).

Average rainfall days in December
Cullybackey, United Kingdom

  • Average rainfall days in December: 9.7 days

The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (8.3 days).

Average snowfall in December
Cullybackey, United Kingdom

  • Average snowfall in December: 1mm

The months with the highest snowfall are February and March (13mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Cullybackey, United Kingdom

  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is January (2.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Cullybackey, United Kingdom

  • Average daylight in December: 7h and 18min

The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 18min).

  • Average sunshine in December: 3h and 54min

The month with the most sunshine is June (Average sunshine: 7h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).

Average sunshine days in December
Cullybackey, United Kingdom

  • Average sunshine days in December: 19 days

The month with the most sunshine days is December (19 days).
The month with the least sunshine days is July (7.8 days).

Average UV index in December
Cullybackey, United Kingdom

  • Average UV index in December: 2

The months with the highest UV index are May, June 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
Cullybackey, United Kingdom

  • Average cloud cover in December: 63

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 57).

Average visibility in December
Cullybackey, United Kingdom

  • Average visibility in December: 9km

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
The month with the lowest visibility is July (8km).