December weather forecast
Clonsilla, Ireland

December

Weather in December

December, the first month of the winter in Clonsilla, is also a frosty month, with temperature in the range of an average high of 7.1°C (44.8°F) and an average low of 3.4°C (38.1°F).

Temperature

Clonsilla starts December with an average high-temperature of a still chilly 7.1°C (44.8°F), hinting at a minimal fluctuation from November. A consistent average low-temperature of 3.4°C (38.1°F), with a minor variance from the daytime highs, is noted during the nights of December.

Humidity

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

Rainfall

In Clonsilla, in December, it is raining for 14.9 days, with typically 47mm (1.85") of accumulated precipitation. Throughout the year, in Clonsilla, there are 209.2 rainfall days, and 564mm (22.2") of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Clonsilla, during December, snow falls for 1.2 days and regularly aggregates up to 13mm (0.51") of snow. Throughout the year, in Clonsilla, there are 7.1 snowfall days, and 56mm (2.2") of snow is accumulated.

Daylight

December has the shortest days of the year in Clonsilla, Ireland, with an average of 7h and 36min of daylight.
On the first day of the month, sunrise is at 8:18 am and sunset at 4:10 pm. On the last day of December, sunrise is at 8:40 am and sunset at 4:16 pm GMT.

Sunshine

The average sunshine in December is 4.2h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.

Frequently asked questions

What is the temperature in December in Clonsilla?
The average high-temperature, in December, in Clonsilla, is 7.1°C (44.8°F), while the average low-temperature is 3.4°C (38.1°F).
What is the most humid month in Clonsilla?
The most humid month in Clonsilla is December, with an average relative humidity of 90%.
What is the average humidity in December in Clonsilla?
The average relative humidity in December in Clonsilla is 90%.
How much does it rain in Clonsilla in December?
In December, in Clonsilla, Ireland, the rain falls for 14.9 days. Throughout December, 47mm (1.85") of precipitation is accumulated.
How many days does it snow in December in Clonsilla?
In Clonsilla, Ireland, in December, snow falls for 1.2 days, with typically accumulated 13mm (0.51") of snow.
What is the month with the shortest days in Clonsilla?
With an average of 7h and 36min of daylight, December has the shortest days of the year in Clonsilla.
What is the average length of the day in December in Clonsilla?
The average day length in December in Clonsilla, Ireland, is 7h and 36min.
When is the sunrise / sunset in December in Clonsilla?
On the first day of December in Clonsilla, sunrise is at 8:18 am and sunset at 4:10 pm. On the last day of the month, sunrise is at 8:40 am and sunset at 4:16 pm GMT.
How long on average sun shines in December in Clonsilla?
In December, the average sunshine duration is 4.2h.
What are the months with the lowest UV index in Clonsilla?
The months with the lowest UV index in Clonsilla, Ireland, are January, February, November and December, with an average maximum UV index of 2.
What is the UV index intensity in December in Clonsilla?
In Clonsilla, Ireland, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from 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 - Clonsilla, Ireland
Average temperature in December
Clonsilla, 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 - Clonsilla, Ireland
Average pressure in December
Clonsilla, 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 - Clonsilla, Ireland
Average wind speed in December
Clonsilla, 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 - Clonsilla, Ireland
Average humidity in December
Clonsilla, 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 - Clonsilla, Ireland
Average rainfall in December
Clonsilla, 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 - Clonsilla, Ireland
Average rainfall days in December
Clonsilla, 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 - Clonsilla, Ireland
Average snowfall in December
Clonsilla, 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 - Clonsilla, Ireland
Average snowfall days in December
Clonsilla, 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 - Clonsilla, Ireland
Average daylight in December /
Average sunshine in December
Clonsilla, 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 - Clonsilla, Ireland
Average sunshine days in December
Clonsilla, 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 - Clonsilla, Ireland
Average UV index in December
Clonsilla, 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 - Clonsilla, Ireland
Average cloud cover in December
Clonsilla, 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 - Clonsilla, Ireland
Average visibility in December
Clonsilla, 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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