December weather forecastKillybegs, Ireland

December

Weather in December

December, the first month of the winter in Killybegs, is still a chilly month, with temperature in the range of an average low of 4.4°C (39.9°F) and an average high of 7.5°C (45.5°F).

Temperature

The initiation of December sees an average high-temperature of a still frosty 7.5°C (45.5°F), showing minor variations from the previous month. Nighttime in Killybegs, during December, brings an average low of 4.4°C (39.9°F), a modest reduction from the day's peak.

Humidity

The average relative humidity in December is 86%.

Rainfall

In Killybegs, in December, during 20.3 rainfall days, 58mm (2.28") of precipitation is typically accumulated. In Killybegs, during the entire year, the rain falls for 234.8 days and collects up to 634mm (24.96") of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Killybegs, during December, snow falls for 0.6 days and regularly aggregates up to 6mm (0.24") of snow. Throughout the year, in Killybegs, there are 5.4 snowfall days, and 60mm (2.36") of snow is accumulated.

Sea temperature

In Killybegs, in December, the average water temperature is 10.9°C (51.6°F).
Note: In 10.9°C (51.6°F), cold shock and rapid breathing can occur when swimming at temperatures below 10°C (50°F).

Daylight

December has the shortest days of the year in Killybegs, with an average of 7h and 24min of daylight.
On the first day of the month, sunrise is at 8:33 am and sunset at 4:12 pm. On the last day of December, sunrise is at 8:56 am and sunset at 4:17 pm GMT.

Sunshine

The average sunshine in December is 3.5h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.

Frequently asked questions

In Killybegs, 7.5°C (45.5°F) is the average high-temperature and 4.4°C (39.9°F) is the average low-temperature during December.

The average relative humidity in December in Killybegs, Ireland, is 86%.

In December, the rain falls for 20.3 days. Throughout December, 58mm (2.28") of precipitation is accumulated.

In Killybegs, Ireland, in December, snow falls for 0.6 days, with typically accumulated 6mm (0.24") of snow.

In Killybegs, in December, the average water temperature is 10.9°C (51.6°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

December has the shortest days of the year in Killybegs, Ireland, with an average of 7h and 24min of daylight.

The average day length in December is 7h and 22min.

On the first day of December in Killybegs, sunrise is at 8:33 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 8:56 am and sunset at 4:17 pm GMT.

The average sunshine duration in December in Killybegs, Ireland, is 3.5h.

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

In Killybegs, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents 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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Killybegs, Ireland

  • Average high temperature in December: 7.5°C

The warmest month (with the highest average high temperature) is July (16.2°C).
The month with the lowest average high temperature is January (6.9°C).

  • Average low temperature in December: 4.4°C

The months with the highest average low temperature are July and August (11.3°C).
The coldest months (with the lowest average low temperature) are January and February (3.4°C).

Average pressure in December
Killybegs, Ireland

  • Average pressure in December: 1008.6mbar

The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is November (1006.8mbar).

Average wind speed in December
Killybegs, Ireland

  • Average wind speed in December: 23km/h

The windiest month (with the highest average wind speed) is January (23.7km/h).
The calmest month (with the lowest average wind speed) is July (14.5km/h).

Average humidity in December
Killybegs, Ireland

  • Average humidity in December: 86%

The months with the highest relative humidity are January, July, August and September (87%).
The month with the lowest relative humidity is April (82%).

Average rainfall in December
Killybegs, Ireland

  • Average rainfall in December: 58mm

The wettest month (with the highest rainfall) is August (75mm).
The driest month (with the least rainfall) is April (30mm).

Average rainfall days in December
Killybegs, Ireland

  • Average rainfall days in December: 20.3 days

The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is February (16.8 days).

Average snowfall in December
Killybegs, Ireland

  • Average snowfall in December: 6mm

The month with the highest snowfall is January (20mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Killybegs, Ireland

  • Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average sea temperature in December
Killybegs, Ireland

  • Average sea temperature in December: 10.9°C

The best month for swimming (with the highest average sea temperature) is August (14.8°C).
The coldest month (with the lowest average sea temperature) is March (9.2°C).

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

  • Average daylight in December: 7h and 24min

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 24min).

  • Average sunshine in December: 3h and 30min

The month with the most sunshine is June (Average sunshine: 7h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in December
Killybegs, Ireland

  • Average sunshine days in December: 6.7 days

The month with the most sunshine days is May (9.9 days).
The month with the least sunshine days is August (3.8 days).

Average UV index in December
Killybegs, Ireland

  • Average UV index in December: 2

The months with the highest UV index are May, June and July (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
Killybegs, Ireland

  • Average cloud cover in December: 67

The months with the most cloud cover are January and August (Cloud cover 69).
The month with the least cloud cover is April (Cloud cover 58).

Average visibility in December
Killybegs, Ireland

  • Average visibility in December: 9km

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