December weather forecastCoolaney, Ireland
December
Weather in December
The first month of the winter, December, is also a frosty month in Coolaney, Ireland, with an average temperature fluctuating between 7.7°C (45.9°F) and 4.4°C (39.9°F).Temperature
December welcomes an average high-temperature of a still frosty 7.7°C (45.9°F), not much different from the preceding month. An average low-temperature of 4.4°C (39.9°F) is witnessed throughout the month of December in Coolaney, a mere drop from the daytime peak.Humidity
The average relative humidity in December is 86%.Rainfall
In Coolaney, in December, during 20 rainfall days, 55mm (2.17") of precipitation is typically accumulated. Throughout the year, in Coolaney, there are 232.9 rainfall days, and 592mm (23.31") of precipitation is accumulated.Snowfall
Months with snowfall in Coolaney, Ireland, are January through March and December. December is the first month it typically snows in Coolaney, Ireland. Throughout December, in the average 0.6 snowfall days, it receives 4mm (0.16") of snow. In Coolaney, Ireland, during the entire year, snow falls for 5.6 days and aggregates up to 48mm (1.89") of snow.Daylight
With an average of 7h and 30min of daylight, December has the shortest days of the year in Coolaney.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 Coolaney, sunrise is at 8:54 am and sunset at 4:21 pm GMT.
Sunshine
The average sunshine in December is 3.6h.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 estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Coolaney, 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
Coolaney, 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
Coolaney, 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
Coolaney, 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
Coolaney, 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
Coolaney, 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
Coolaney, 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
Coolaney, 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
Coolaney, 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
Coolaney, 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
Coolaney, 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
Coolaney, 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
Coolaney, 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).
