December weather forecast
Killashee, Ireland

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Weather in December

December, the first month of the winter in Killashee, is still a chilly month, with temperature in the range of an average high of 6.9°C (44.4°F) and an average low of 2.5°C (36.5°F).

Temperature

December registers an average high-temperature of a still frosty 6.9°C (44.4°F), slightly varied from November's 8.8°C (47.8°F). A mean low-temperature of 2.5°C (36.5°F) is anticipated during the month of December in Killashee, a slight step down from the daytime high.

Humidity

December is the most humid month, with an average relative humidity of 92%.

Rainfall

In Killashee, in December, during 14.4 rainfall days, 25mm (0.98") of precipitation is typically accumulated. In Killashee, Ireland, during the entire year, the rain falls for 164.1 days and collects up to 284mm (11.18") of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Killashee, during December, snow falls for 0.6 days and regularly aggregates up to 2mm (0.08") of snow. In Killashee, during the entire year, snow falls for 7.3 days and aggregates up to 36mm (1.42") of snow.

Daylight

With an average of 7h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 8:26 am and sunset at 4:15 pm. On the last day of December, in Killashee, sunrise is at 8:48 am and sunset at 4:20 pm GMT.

Sunshine

The average sunshine in December is 3.8h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Killashee. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 2 during December leads to these instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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Frequently asked questions

How cold does it get in Killashee in December?

December temperatures in Killashee vary between a high-temperature of 6.9°C (44.4°F) and a low-temperature of 2.5°C (36.5°F).

What is the most humid month in Killashee?

The most humid month in Killashee, Ireland, is December, with an average relative humidity of 92%.

What is the average humidity in December in Killashee?

The average relative humidity in December in Killashee, Ireland, is 92%.

How much does it rain in Killashee in December?

In Killashee, during December, the rain falls for 14.4 days and regularly aggregates up to 25mm (0.98") of precipitation.

How many days does it snow in December in Killashee?

In December, in Killashee, it is snowing for 0.6 days. Throughout December, 2mm (0.08") of snow is accumulated.

What is the month with the shortest days in Killashee?

With an average of 7h and 30min of daylight, December has the shortest days of the year in Killashee.

How many hours of daylight does Killashee have in December?

In Killashee, the average day length in December is 7h and 33min.

What time are sunrise and sunset in December in Killashee?

In December, on the first day of the month, sunrise is at 8:26 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 8:48 am and sunset at 4:20 pm GMT.

How long on average sun shines in December in Killashee?

In Killashee, Ireland, the average sunshine duration in December is 3.8h.

When is the lowest UV index in Killashee?

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

How high is the UV index in December in Killashee?

In Killashee, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Killashee, Ireland

Average temperature in December - Killashee, Ireland
  • Average high temperature in December: 6.9°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 (6.8°C).

  • Average low temperature in December: 2.5°C

The months with the highest average low temperature are July and August (10.3°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).

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Average pressure in December
Killashee, Ireland

Average pressure in December - Killashee, Ireland
  • Average pressure in December: 1010mbar

The month with the highest atmospheric pressure is May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1007.6mbar).

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Average wind speed in December
Killashee, Ireland

Average wind speed in December - Killashee, Ireland
  • Average wind speed in December: 18.5km/h

The windiest month (with the highest average wind speed) is January (18.8km/h).
The calmest month (with the lowest average wind speed) is July (12.6km/h).

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Average humidity in December
Killashee, Ireland

Average humidity in December - Killashee, Ireland
  • Average humidity in December: 92%

The month with the highest relative humidity is December (92%).
The month with the lowest relative humidity is April (85%).

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Average rainfall in December
Killashee, Ireland

Average rainfall in December - Killashee, Ireland
  • Average rainfall in December: 25mm

The wettest month (with the highest rainfall) is August (36mm).
The driest month (with the least rainfall) is April (16mm).

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Average rainfall days in December
Killashee, Ireland

Average rainfall days in December - Killashee, Ireland
  • Average rainfall days in December: 14.4 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is September (11.1 days).

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Average snowfall in December
Killashee, Ireland

Average snowfall in December - Killashee, Ireland
  • Average snowfall in December: 2mm

The months with the highest snowfall are January and November (10mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in December
Killashee, Ireland

Average snowfall days in December - Killashee, Ireland
  • Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Killashee, Ireland
  • Average daylight in December: 7h and 3min

The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is June (Average sunshine: 6h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

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Average sunshine days in December
Killashee, Ireland

Average sunshine days in December - Killashee, Ireland
  • Average sunshine days in December: 13.1 days

The month with the most sunshine days is March (13.9 days).
The month with the least sunshine days is August (7.9 days).

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Average UV index in December
Killashee, Ireland

Average UV index in December - Killashee, Ireland
  • Average UV index in December: 2

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

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Average cloud cover in December
Killashee, Ireland

Average cloud cover in December - Killashee, Ireland
  • Average cloud cover in December: 62

The months with the most cloud cover are July and August (Cloud cover 71).
The month with the least cloud cover is April (Cloud cover 60).

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Average visibility in December
Killashee, Ireland

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

The months with the highest visibility are February, March and December (9km).
The months with the lowest visibility are July and August (7km).

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Killashee, Ireland

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