December weather forecastCornamona, Ireland

December

Weather in December

The first month of the winter, December, is still a chilly month in Cornamona, Ireland, with an average temperature fluctuating between 7.9°C (46.2°F) and 4.6°C (40.3°F).

Temperature

Cornamona marks the onset of December with an average high-temperature of a still frosty 7.9°C (46.2°F), subtly divergent from November's 9.5°C (49.1°F). Cornamona, during December nights, observes a steady temperature, averaging at an icy 4.6°C (40.3°F).

Humidity

In Cornamona, the average relative humidity in December is 86%.

Rainfall

In December, in Cornamona, the rain falls for 10.8 days. Throughout December, 22mm (0.87") of precipitation is accumulated. In Cornamona, during the entire year, the rain falls for 120.7 days and collects up to 199mm (7.83") of precipitation.

Snowfall

January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.9 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, in Cornamona, there are 4.7 snowfall days, and 18mm (0.71") of snow is accumulated.

Daylight

With an average of 7h and 36min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 8:31 am and sunset at 4:22 pm. On the last day of December, sunrise is at 8:53 am and sunset at 4:28 pm GMT.

Sunshine

With an average of 3.3h of sunshine, December has the least sunshine of the year in Cornamona.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.
Note: The UV index of 2 during December leads to these advisories:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

Frequently asked questions

The average high-temperature and low-temperature in Cornamona during December are 7.9°C (46.2°F) and 4.6°C (40.3°F) respectively.

The average relative humidity in December in Cornamona is 86%.

In Cornamona, in December, during 10.8 rainfall days, 22mm (0.87") of precipitation is typically accumulated.

December is the first month it typically snows. Throughout December, in the average 0.9 snowfall days, it receives 2mm (0.08") of snow.

With an average of 7h and 36min of daylight, December has the shortest days of the year in Cornamona, Ireland.

In December, the average day length is 7h and 35min.

In December, on the first day of the month, sunrise is at 8:31 am and sunset at 4:22 pm. On the last day of the month, in Cornamona, sunrise is at 8:53 am and sunset at 4:28 pm GMT.

With an average of 3.3h of sunshine, December has the least sunshine of the year in Cornamona.

In December, the average sunshine duration in Cornamona, Ireland, is 3.3h.

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

The average daily maximum UV index in December in Cornamona, Ireland, is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Cornamona, Ireland

  • Average high temperature in December: 7.9°C

The warmest month (with the highest average high temperature) is July (16.6°C).
The month with the lowest average high temperature is January (7.7°C).

  • Average low temperature in December: 4.6°C

The month with the highest average low temperature is August (11.4°C).
The coldest month (with the lowest average low temperature) is February (3.6°C).

Average pressure in December
Cornamona, Ireland

  • Average pressure in December: 1009.3mbar

The month with the highest atmospheric pressure is May (1015.4mbar).
The month with the lowest atmospheric pressure is November (1007.2mbar).

Average wind speed in December
Cornamona, Ireland

  • Average wind speed in December: 22.5km/h

The windiest month (with the highest average wind speed) is January (22.7km/h).
The calmest month (with the lowest average wind speed) is July (14.3km/h).

Average humidity in December
Cornamona, Ireland

  • Average humidity in December: 86%

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

Average rainfall in December
Cornamona, Ireland

  • Average rainfall in December: 22mm

The wettest month (with the highest rainfall) is November (25mm).
The driest month (with the least rainfall) is May (8mm).

Average rainfall days in December
Cornamona, Ireland

  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is November (11.7 days).
The month with the least rainy days is May (7.8 days).

Average snowfall in December
Cornamona, Ireland

  • Average snowfall in December: 2mm

The month with the highest snowfall is January (7mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Cornamona, Ireland

  • Average snowfall days in December: 0.9 days

The months with the highest number of snowfall days are February and March (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

  • Average daylight in December: 7h and 36min

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: 3h and 18min

The month with the most sunshine is June (Average sunshine: 7h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).

Average sunshine days in December
Cornamona, Ireland

  • Average sunshine days in December: 14.2 days

The month with the most sunshine days is April (18.9 days).
The month with the least sunshine days is November (14.1 days).

Average UV index in December
Cornamona, 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
Cornamona, Ireland

  • Average cloud cover in December: 68

The month with the most cloud cover is August (Cloud cover 70).
The month with the least cloud cover is April (Cloud cover 60).

Average visibility in December
Cornamona, Ireland

  • Average visibility in December: 9km

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