December weather forecastKillanena, Ireland
December
Weather in December
December, the first month of the winter in Killanena, is still a chilly month, with an average temperature varying between 4°C (39.2°F) and 8°C (46.4°F).Temperature
The initiation of December records an average high-temperature of a still chilly 8°C (46.4°F), displaying a near consistency with the previous month. During the nights of December, Killanena records an average temperature of 4°C (39.2°F), a minor drop from daytime peaks.Humidity
November and December, with an average relative humidity of 89%, are the most humid months in Killanena.Rainfall
In Killanena, in December, it is raining for 14.4 days, with typically 33mm (1.3") of accumulated precipitation. In Killanena, during the entire year, the rain falls for 184.7 days and collects up to 356mm (14.02") of precipitation.Snowfall
Months with snowfall in Killanena are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 8mm (0.31") of snow. In Killanena, during the entire year, snow falls for 3 days and aggregates up to 29mm (1.14") of snow.Daylight
The month with the shortest days in Killanena is December, with an average of 7h and 42min of daylight.On the first day of the month, sunrise is at 8:25 am and sunset at 4:22 pm. On the last day of December, sunrise is at 8:47 am and sunset at 4:28 pm GMT.
Sunshine
In Killanena, Ireland, the average sunshine in December is 3.9h.UV index
The months with the lowest UV index in Killanena, Ireland, 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 minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Opt for tightly woven and loose clothing to enhance protection from the Sun. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Killanena, Ireland
- Average high temperature in December: 8°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (7.8°C).
- Average low temperature in December: 4°C
The month with the highest average low temperature is August (11.2°C).
The coldest month (with the lowest average low temperature) is February (2.9°C).
Average pressure in December
Killanena, Ireland
- Average pressure in December: 1010.8mbar
The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1008.1mbar).
Average wind speed in December
Killanena, Ireland
- Average wind speed in December: 20.1km/h
The windiest month (with the highest average wind speed) is January (20.2km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).
Average humidity in December
Killanena, Ireland
- Average humidity in December: 89%
The months with the highest relative humidity are November and December (89%).
The month with the lowest relative humidity is April (84%).
Average rainfall in December
Killanena, Ireland
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is August (39mm).
The driest month (with the least rainfall) is September (20mm).
Average rainfall days in December
Killanena, Ireland
- Average rainfall days in December: 14.4 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in December
Killanena, Ireland
- Average snowfall in December: 8mm
The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Killanena, Ireland
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Killanena, Ireland
- Average daylight in December: 7h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 3h and 54min
The month with the most sunshine is June (Average sunshine: 7h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Killanena, Ireland
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is December (13.9 days).
The month with the least sunshine days is August (5.9 days).
Average UV index in December
Killanena, 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
Killanena, Ireland
- Average cloud cover in December: 62
The month with the most cloud cover is July (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 56).
Average visibility in December
Killanena, Ireland
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (9km).
The months with the lowest visibility are July, August and September (8km).
