December weather forecastCloonacool, Ireland
December
Weather in December
December, the first month of the winter in Cloonacool, is still a chilly month, with temperature in the range of an average low of 3.1°C (37.6°F) and an average high of 7.2°C (45°F).Temperature
The advent of December brings an average high-temperature of a still frosty 7.2°C (45°F), exhibiting minor difference from the previous month. In Cloonacool, the nightly December temperatures experience a slight descent from daily highs to an average low of 3.1°C (37.6°F).Humidity
The months with the highest humidity are November and December, with an average relative humidity of 90%.Rainfall
In Cloonacool, Ireland, in December, it is raining for 19.3 days, with typically 71mm (2.8") of accumulated precipitation. In Cloonacool, Ireland, during the entire year, the rain falls for 258.3 days and collects up to 829mm (32.64") of precipitation.Snowfall
Months with snowfall in Cloonacool are January through April, November and December. In Cloonacool, during December, snow falls for 1.1 days and regularly aggregates up to 9mm (0.35") of snow. Throughout the year, there are 12.1 snowfall days, and 125mm (4.92") of snow is accumulated.Daylight
With an average of 7h and 30min of daylight, December has the shortest days of the year.On the first day of December in Cloonacool, sunrise is at 8:31 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 8:54 am and sunset at 4:22 pm GMT.
Sunshine
In December, the average sunshine in Cloonacool 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 in Cloonacool, Ireland. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during December translates into the following guidance:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cloonacool, Ireland
- Average high temperature in December: 7.2°C
The warmest month (with the highest average high temperature) is July (17°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in December: 3.1°C
The month with the highest average low temperature is August (10.5°C).
The coldest month (with the lowest average low temperature) is February (2.5°C).
Average pressure in December
Cloonacool, Ireland
- Average pressure in December: 1009.4mbar
The month with the highest atmospheric pressure is May (1015.5mbar).
The month with the lowest atmospheric pressure is November (1007.2mbar).
Average wind speed in December
Cloonacool, Ireland
- Average wind speed in December: 19.1km/h
The windiest month (with the highest average wind speed) is January (19.7km/h).
The calmest month (with the lowest average wind speed) is July (13.1km/h).
Average humidity in December
Cloonacool, Ireland
- Average humidity in December: 90%
The months with the highest relative humidity are November and December (90%).
The month with the lowest relative humidity is April (84%).
Average rainfall in December
Cloonacool, Ireland
- Average rainfall in December: 71mm
The wettest month (with the highest rainfall) is August (96mm).
The driest months (with the least rainfall) are April and September (51mm).
Average rainfall days in December
Cloonacool, Ireland
- Average rainfall days in December: 19.3 days
The month with the highest number of rainy days is August (27.8 days).
The month with the least rainy days is February (17 days).
Average snowfall in December
Cloonacool, Ireland
- Average snowfall in December: 9mm
The month with the highest snowfall is January (43mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Cloonacool, Ireland
- Average snowfall days in December: 1.1 days
The months with the highest number of snowfall days are January and February (3.8 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
Cloonacool, 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 42min
The month with the most sunshine is June (Average sunshine: 6h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Cloonacool, Ireland
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is December (8.5 days).
The month with the least sunshine days is August (1.1 days).
Average UV index in December
Cloonacool, Ireland
- Average UV index in December: 2
The month with the highest UV index is 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
Cloonacool, Ireland
- Average cloud cover in December: 65
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).
Average visibility in December
Cloonacool, Ireland
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April and December (9km).
The month with the lowest visibility is July (7km).





