December weather forecastCollooney, Ireland
December weather for Collooney, Ireland: The first month of the winter, December, is still a chilly month in Collooney, Ireland, with an average temperature fluctuating between 7.7°C (45.9°F) and 4.4°C (39.9°F). The month with the shortest days in Collooney is December, with an average of 7h and 30min of daylight.
December
Weather in December
The first month of the winter, December, is still a chilly month in Collooney, Ireland, with an average temperature fluctuating between 7.7°C (45.9°F) and 4.4°C (39.9°F).Temperature
The average high-temperature during December registers at a still chilly 7.7°C (45.9°F), maintaining a close resemblance to the previous month. Collooney's average nighttime temperature in December modestly descends to a wintry 4.4°C (39.9°F).Humidity
In Collooney, the average relative humidity in December is 86%.Rainfall
In Collooney, during December, the rain falls for 20 days and regularly aggregates up to 55mm (2.17") of precipitation. In Collooney, Ireland, during the entire year, the rain falls for 232.9 days and collects up to 592mm (23.31") of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.6 snowfall days, it receives 4mm (0.16") of snow. Throughout the year, in Collooney, there are 5.6 snowfall days, and 48mm (1.89") of snow is accumulated.Daylight
The month with the shortest days in Collooney is December, with an average of 7h and 30min of daylight.On the first day of the month, sunrise is at 8:31 am and sunset at 4:15 pm. On the last day of December, in Collooney, sunrise is at 8:53 am and sunset at 4:20 pm GMT.
Sunshine
In Collooney, the average sunshine in December is 3.6h.UV index
The months with the lowest UV index in Collooney are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 2 in December translates into this advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. To guard against the harmful effects of the Sun, minimize exposure during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Collooney, Ireland
- Average high temperature in December: 7.7°C
The warmest month (with the highest average high temperature) is July (16.3°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in December: 4.4°C
The month with the highest average low temperature is July (11.7°C).
The coldest month (with the lowest average low temperature) is February (3.7°C).
Average pressure in December
Collooney, Ireland
- Average pressure in December: 1008.9mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is November (1007mbar).
Average wind speed in December
Collooney, Ireland
- Average wind speed in December: 23.5km/h
The windiest month (with the highest average wind speed) is January (24.3km/h).
The calmest month (with the lowest average wind speed) is July (14.8km/h).
Average humidity in December
Collooney, Ireland
- Average humidity in December: 86%
The months with the highest relative humidity are July and August (87%).
The month with the lowest relative humidity is April (82%).
Average rainfall in December
Collooney, Ireland
- Average rainfall in December: 55mm
The wettest month (with the highest rainfall) is August (72mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Collooney, Ireland
- Average rainfall days in December: 20 days
The month with the highest number of rainy days is August (22.8 days).
The month with the least rainy days is April (16.5 days).
Average snowfall in December
Collooney, Ireland
- Average snowfall in December: 4mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Collooney, Ireland
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (2 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
Collooney, Ireland
- Average daylight in December: 7h and 30min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in December: 3h and 36min
The month with the most sunshine is June (Average sunshine: 7h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Collooney, Ireland
- Average sunshine days in December: 6.7 days
The month with the most sunshine days is May (10.1 days).
The month with the least sunshine days is August (4.3 days).
Average UV index in December
Collooney, 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
Collooney, Ireland
- Average cloud cover in December: 65
The month with the most cloud cover is August (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 57).
Average visibility in December
Collooney, Ireland
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
