December weather forecastBallywilliam, Ireland

December

Weather in December

The first month of the winter, December, is also a frosty month in Ballywilliam, Ireland, with temperature in the range of an average high of 8.9°C (48°F) and an average low of 5.2°C (41.4°F).

Temperature

The weather during December records an average high-temperature of a chilly 8.9°C (48°F), closely mirroring the preceding month. A consistent average low-temperature of 5.2°C (41.4°F), with a minor variance from the daytime highs, is noted in Ballywilliam during the nights of December.

Humidity

July and December, with an average relative humidity of 87%, are the most humid months in Ballywilliam.

Rainfall

In December, in Ballywilliam, the rain falls for 15 days. Throughout December, 39mm (1.54") of precipitation is accumulated. Throughout the year, in Ballywilliam, Ireland, there are 160.8 rainfall days, and 344mm (13.54") of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Ballywilliam, Ireland, in December, during 0.8 snowfall days, 2mm (0.08") of snow is typically accumulated. In Ballywilliam, Ireland, during the entire year, snow falls for 4.4 days and aggregates up to 10mm (0.39") of snow.

Daylight

With an average of 7h and 48min of daylight, December has the shortest days of the year in Ballywilliam, Ireland.
On the first day of December in Ballywilliam, sunrise is at 8:15 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 8:37 am and sunset at 4:23 pm GMT.

Sunshine

In Ballywilliam, the average sunshine in December is 4.3h.

UV index

The months with the lowest UV index in Ballywilliam are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.

Frequently asked questions

An average high-temperature, in December, in Ballywilliam, is 8.9°C (48°F) and the average low-temperature is 5.2°C (41.4°F).

July and December, with an average relative humidity of 87%, are most humid months.

The average relative humidity in December in Ballywilliam is 87%.

In Ballywilliam, Ireland, during December, the rain falls for 15 days and regularly aggregates up to 39mm (1.54") of precipitation.

In Ballywilliam, in December, snow falls for 0.8 days, with typically accumulated 2mm (0.08") of snow.

The month with the shortest days is December, with an average of 7h and 48min of daylight.

In December, the average day length is 7h and 46min.

On the first day of December, sunrise is at 8:15 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 8:37 am and sunset at 4:23 pm GMT.

In Ballywilliam, Ireland, the average sunshine duration in December is 4.3h.

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

In Ballywilliam, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
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
Ballywilliam, Ireland

  • Average high temperature in December: 8.9°C

The warmest month (with the highest average high temperature) is July (17.4°C).
The month with the lowest average high temperature is January (8.2°C).

  • Average low temperature in December: 5.2°C

The month with the highest average low temperature is July (12.5°C).
The coldest month (with the lowest average low temperature) is March (4.3°C).

Average pressure in December
Ballywilliam, Ireland

  • Average pressure in December: 1012.2mbar

The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).

Average wind speed in December
Ballywilliam, Ireland

  • Average wind speed in December: 25km/h

The windiest month (with the highest average wind speed) is December (25km/h).
The calmest months (with the lowest average wind speed) are June and July (16.4km/h).

Average humidity in December
Ballywilliam, Ireland

  • Average humidity in December: 87%

The months with the highest relative humidity are July and December (87%).
The months with the lowest relative humidity are February, March and April (84%).

Average rainfall in December
Ballywilliam, Ireland

  • Average rainfall in December: 39mm

The wettest month (with the highest rainfall) is November (52mm).
The driest month (with the least rainfall) is May (17mm).

Average rainfall days in December
Ballywilliam, Ireland

  • Average rainfall days in December: 15 days

The month with the highest number of rainy days is August (15.4 days).
The month with the least rainy days is September (10.5 days).

Average snowfall in December
Ballywilliam, Ireland

  • Average snowfall in December: 2mm

The month with the highest snowfall is February (4mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Ballywilliam, Ireland

  • Average snowfall days in December: 0.8 days

The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Ballywilliam, Ireland

  • Average daylight in December: 7h and 48min

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in December: 4h and 18min

The month with the most sunshine is May (Average sunshine: 7h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in December
Ballywilliam, Ireland

  • Average sunshine days in December: 12.6 days

The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is October (11.3 days).

Average UV index in December
Ballywilliam, Ireland

  • Average UV index in December: 2

The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Ballywilliam, Ireland

  • Average cloud cover in December: 56

The months with the most cloud cover are January and February (Cloud cover 57).
The months with the least cloud cover are April and September (Cloud cover 49).

Average visibility in December
Ballywilliam, Ireland

  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, September, October, November and December (10km).
The months with the lowest visibility are May, June, July and August (9km).