December weather forecastCoolrain, Ireland

December

Weather in December

The first month of the winter, December, is also a frosty month in Coolrain, Ireland, with an average temperature varying between 2.2°C (36°F) and 6.9°C (44.4°F).

Temperature

January and December, with an average high-temperature of 6.9°C (44.4°F), are marked as the coldest months.

Humidity

The months with the highest humidity are November and December, with an average relative humidity of 92%.

Rainfall

In Coolrain, during December, the rain falls for 13.5 days and regularly aggregates up to 25mm (0.98") of precipitation. Throughout the year, in Coolrain, there are 151.1 rainfall days, and 248mm (9.76") of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Coolrain, in December, snow falls for 1.2 days, with typically accumulated 7mm (0.28") of snow. In Coolrain, during the entire year, snow falls for 8.4 days and aggregates up to 55mm (2.17") of snow.

Daylight

With an average of 7h and 42min of daylight, December has the shortest days of the year in Coolrain, Ireland.
On the first day of December, sunrise is at 8:21 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 8:43 am and sunset at 4:23 pm GMT.

Sunshine

In Coolrain, the average sunshine in December is 3.7h.

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 radiation for ordinary individuals.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.

Frequently asked questions

In Coolrain, Ireland, the coldest months are January and December, registering an average high-temperature of 6.9°C (44.4°F).

The average high-temperature, in December, in Coolrain, is 6.9°C (44.4°F), while the average low-temperature is 2.2°C (36°F).

The months with the highest humidity are November and December, with an average relative humidity of 92%.

In Coolrain, Ireland, the average relative humidity in December is 92%.

In Coolrain, Ireland, during December, the rain falls for 13.5 days and regularly aggregates up to 25mm (0.98") of precipitation.

In Coolrain, in December, during 1.2 snowfall days, 7mm (0.28") of snow is typically accumulated.

December has the shortest days of the year in Coolrain, Ireland, with an average of 7h and 42min of daylight.

In Coolrain, the average day length in December is 7h and 40min.

On the first day of December in Coolrain, sunrise is at 8:21 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 8:43 am and sunset at 4:23 pm GMT.

In Coolrain, the average sunshine duration in December is 3.7h.

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

In December, the average daily maximum UV index in Coolrain is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to 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
Coolrain, Ireland

  • Average high temperature in December: 6.9°C

The warmest month (with the highest average high temperature) is July (17.7°C).
The months with the lowest average high temperature are January and December (6.9°C).

  • Average low temperature in December: 2.2°C

The month with the highest average low temperature is July (10.3°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).

Average pressure in December
Coolrain, Ireland

  • Average pressure in December: 1011.1mbar

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
Coolrain, Ireland

  • Average wind speed in December: 18.8km/h

The windiest month (with the highest average wind speed) is February (18.9km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).

Average humidity in December
Coolrain, Ireland

  • Average humidity in December: 92%

The months with the highest relative humidity are November and December (92%).
The month with the lowest relative humidity is April (86%).

Average rainfall in December
Coolrain, Ireland

  • Average rainfall in December: 25mm

The wettest month (with the highest rainfall) is November (34mm).
The driest month (with the least rainfall) is September (15mm).

Average rainfall days in December
Coolrain, Ireland

  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is September (10.5 days).

Average snowfall in December
Coolrain, Ireland

  • Average snowfall in December: 7mm

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

Average snowfall days in December
Coolrain, Ireland

  • Average snowfall days in December: 1.2 days

The month with the highest number of snowfall days is January (2.6 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
Coolrain, Ireland

  • Average daylight in December: 7h and 42min

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

  • Average sunshine in December: 3h and 42min

The month with the most sunshine is April (Average sunshine: 5h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

Average sunshine days in December
Coolrain, Ireland

  • Average sunshine days in December: 14.3 days

The month with the most sunshine days is October (16 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in December
Coolrain, 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).

Average cloud cover in December
Coolrain, Ireland

  • Average cloud cover in December: 62

The month with the most cloud cover is July (Cloud cover 72).
The month with the least cloud cover is April (Cloud cover 60).

Average visibility in December
Coolrain, Ireland

  • Average visibility in December: 8km

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