December weather forecastCoolock, Ireland
December
Weather in December
The first month of the winter, December, is still a chilly month in Coolock, Ireland, with an average temperature fluctuating between 8.3°C (46.9°F) and 4.6°C (40.3°F).Temperature
On the advent of December, Coolock's average high-temperature exhibits a minor adjustment to a still chilly 8.3°C (46.9°F) from November's 9.9°C (49.8°F). December is characterized by a steady nighttime low-temperature of 4.6°C (40.3°F).Humidity
July and December, with an average relative humidity of 86%, are the most humid months in Coolock.Rainfall
In Coolock, in December, it is raining for 11.8 days, with typically 35mm (1.38") of accumulated precipitation. Throughout the year, in Coolock, there are 159.4 rainfall days, and 362mm (14.25") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. December is the month with the most snowfall in Coolock, Ireland. Snow falls for 0.9 days and accumulates 12mm (0.47") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 36min of daylight.On the first day of the month, sunrise is at 8:17 am and sunset at 4:10 pm. On the last day of December, in Coolock, sunrise is at 8:40 am and sunset at 4:15 pm GMT.
Sunshine
The average sunshine in December in Coolock is 4.6h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Coolock, Ireland
- Average high temperature in December: 8.3°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 (7.6°C).
- Average low temperature in December: 4.6°C
The months with the highest average low temperature are July and August (12.1°C).
The coldest months (with the lowest average low temperature) are February and March (3.9°C).
Average pressure in December
Coolock, Ireland
- Average pressure in December: 1010.9mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.2mbar).
Average wind speed in December
Coolock, Ireland
- Average wind speed in December: 24.1km/h
The windiest month (with the highest average wind speed) is January (24.2km/h).
The calmest month (with the lowest average wind speed) is June (15.2km/h).
Average humidity in December
Coolock, Ireland
- Average humidity in December: 86%
The months with the highest relative humidity are July and December (86%).
The months with the lowest relative humidity are March, April and May (83%).
Average rainfall in December
Coolock, Ireland
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is November (51mm).
The driest month (with the least rainfall) is May (19mm).
Average rainfall days in December
Coolock, Ireland
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (10.7 days).
Average snowfall in December
Coolock, Ireland
- Average snowfall in December: 12mm
The month with the highest snowfall is December (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Coolock, Ireland
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (2.1 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
Coolock, 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: 4h and 36min
The months with the most sunshine are April, May and June (Average sunshine: 7h and 30min).
The months with the least sunshine are January, February and November (Average sunshine: 4h and 18min).
Average sunshine days in December
Coolock, Ireland
- Average sunshine days in December: 16.8 days
The months with the most sunshine days are January and December (16.8 days).
The month with the least sunshine days is July (11 days).
Average UV index in December
Coolock, Ireland
- Average UV index in December: 2
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Coolock, Ireland
- Average cloud cover in December: 53
The months with the most cloud cover are January and February (Cloud cover 57).
The months with the least cloud cover are April and September (Cloud cover 50).
Average visibility in December
Coolock, Ireland
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, October, November and December (10km).
The months with the lowest visibility are April, May, June, July, August and September (9km).
