December weather forecast
Rathcoole, Ireland

December

Weather in December

December, the first month of the winter in Rathcoole, is also a frosty month, with an average temperature fluctuating between 7.1°C (44.8°F) and 3.4°C (38.1°F).

Temperature

Rathcoole's December showcases an average high-temperature of a still chilly 7.1°C (44.8°F), hardly distinct from November's 9.1°C (48.4°F). In Rathcoole, the nighttime temperature shows a slight difference from the daytime high, averaging to a cold 3.4°C (38.1°F) during December.

Humidity

With an average relative humidity of 90%, December is the most humid month.

Rainfall

In December, the rain falls for 14.9 days. Throughout December, 47mm (1.85") of precipitation is accumulated. In Rathcoole, Ireland, during the entire year, the rain falls for 209.2 days and collects up to 564mm (22.2") of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Rathcoole, in December, snow falls for 1.2 days, with typically accumulated 13mm (0.51") of snow. In Rathcoole, during the entire year, snow falls for 7.1 days and aggregates up to 56mm (2.2") of snow.

Daylight

December has the shortest days of the year in Rathcoole, with an average of 7h and 36min of daylight.
On the first day of December, sunrise is at 8:18 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 8:40 am and sunset at 4:17 pm GMT.

Sunshine

In Rathcoole, the average sunshine in December is 4.2h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.

Frequently asked questions

What is the average December temperature in Rathcoole?
In December, the average high-temperature and low-temperature in Rathcoole, Ireland, are 7.1°C (44.8°F) and 3.4°C (38.1°F) respectively.
What is the most humid month in Rathcoole?
With an average relative humidity of 90%, December is the most humid month in Rathcoole, Ireland.
What is the average humidity in December in Rathcoole?
The average relative humidity in December in Rathcoole is 90%.
How many days does it rain in December in Rathcoole?
In December, in Rathcoole, the rain falls for 14.9 days. Throughout December, 47mm (1.85") of precipitation is accumulated.
How much does it snow in Rathcoole in December?
In Rathcoole, Ireland, during December, snow falls for 1.2 days and regularly aggregates up to 13mm (0.51") of snow.
What is the month with the shortest days in Rathcoole?
With an average of 7h and 36min of daylight, December has the shortest days of the year.
How many hours of daylight does Rathcoole have in December?
The average day length in December in Rathcoole, Ireland, is 7h and 37min.
When is the sunrise / sunset in December in Rathcoole?
On the first day of December in Rathcoole, Ireland, sunrise is at 8:18 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 8:40 am and sunset at 4:17 pm GMT.
How many hours of sunshine does Rathcoole have in December?
In December, the average sunshine duration is 4.2h.
When is the lowest UV index in Rathcoole?
The months with the lowest UV index in Rathcoole, Ireland, are January, February, November and December, with an average maximum UV index of 2.
How high is the UV index in December in Rathcoole?
In Rathcoole, Ireland, 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Rathcoole, Ireland
Average temperature in December
Rathcoole, Ireland
  • Average high temperature in December: 7.1°C

The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (7°C).

  • Average low temperature in December: 3.4°C

The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is February (2.5°C).

Average pressure in December - Rathcoole, Ireland
Average pressure in December
Rathcoole, Ireland
  • Average pressure in December: 1011mbar

The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.3mbar).

Average wind speed in December - Rathcoole, Ireland
Average wind speed in December
Rathcoole, Ireland
  • Average wind speed in December: 21km/h

The windiest month (with the highest average wind speed) is January (21.1km/h).
The calmest months (with the lowest average wind speed) are June and July (13.6km/h).

Average humidity in December - Rathcoole, Ireland
Average humidity in December
Rathcoole, Ireland
  • Average humidity in December: 90%

The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are March, April and May (85%).

Average rainfall in December - Rathcoole, Ireland
Average rainfall in December
Rathcoole, Ireland
  • Average rainfall in December: 47mm

The wettest month (with the highest rainfall) is August (71mm).
The driest month (with the least rainfall) is April (30mm).

Average rainfall days in December - Rathcoole, Ireland
Average rainfall days in December
Rathcoole, Ireland
  • Average rainfall days in December: 14.9 days

The month with the highest number of rainy days is August (24.2 days).
The month with the least rainy days is February (13.6 days).

Average snowfall in December - Rathcoole, Ireland
Average snowfall in December
Rathcoole, Ireland
  • Average snowfall in December: 13mm

The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December - Rathcoole, Ireland
Average snowfall days in December
Rathcoole, Ireland
  • Average snowfall days in December: 1.2 days

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December / Average sunshine in December - Rathcoole, Ireland
Average daylight in December /
Average sunshine in December
Rathcoole, Ireland
  • Average daylight in December: 7h and 4min

The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).

  • Average sunshine in December: 4h and 1min

The months with the most sunshine are April and May (Average sunshine: 6h and 42min).
The months with the least sunshine are February, October and November (Average sunshine: 3h and 54min).

Average sunshine days in December - Rathcoole, Ireland
Average sunshine days in December
Rathcoole, Ireland
  • Average sunshine days in December: 13 days

The month with the most sunshine days is January (13.2 days).
The month with the least sunshine days is August (3.4 days).

Average UV index in December - Rathcoole, Ireland
Average UV index in December
Rathcoole, Ireland
  • 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, November and December (UV index 2).

Average cloud cover in December - Rathcoole, Ireland
Average cloud cover in December
Rathcoole, Ireland
  • Average cloud cover in December: 58

The month with the most cloud cover is July (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 55).

Average visibility in December - Rathcoole, Ireland
Average visibility in December
Rathcoole, Ireland
  • Average visibility in December: 9km

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

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