December weather forecastBarnaderg, Ireland
December
Weather in December
The first month of the winter, December, is still a chilly month in Barnaderg, Ireland, with temperature in the range of an average high of 8.1°C (46.6°F) and an average low of 4.3°C (39.7°F).Temperature
The transition into December is marked with an average high-temperature of a still chilly 8.1°C (46.6°F), showing an insignificant shift from November's 9.8°C (49.6°F). December nights witness a mild cool down to an average low of 4.3°C (39.7°F).Humidity
January, July through December, with an average relative humidity of 87%, are the most humid months.Rainfall
In Barnaderg, during December, the rain falls for 20.8 days and regularly aggregates up to 66mm (2.6") of precipitation. Throughout the year, in Barnaderg, there are 235.6 rainfall days, and 621mm (24.45") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. 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, there are 3.1 snowfall days, and 20mm (0.79") of snow is accumulated.Daylight
With an average of 7h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 8:28 am and sunset at 4:19 pm. On the last day of December, sunrise is at 8:50 am and sunset at 4:25 pm GMT.
Sunshine
With an average of 3.7h of sunshine, December has the least sunshine of the year.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 minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Barnaderg, Ireland
- Average high temperature in December: 8.1°C
The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (7.9°C).
- Average low temperature in December: 4.3°C
The month with the highest average low temperature is August (11.4°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in December
Barnaderg, Ireland
- Average pressure in December: 1010.2mbar
The month with the highest atmospheric pressure is May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1007.7mbar).
Average wind speed in December
Barnaderg, Ireland
- Average wind speed in December: 22.2km/h
The windiest months (with the highest average wind speed) are February and December (22.2km/h).
The calmest month (with the lowest average wind speed) is July (14.8km/h).
Average humidity in December
Barnaderg, Ireland
- Average humidity in December: 87%
The months with the highest relative humidity are January, July, August, September, October, November and December (87%).
The months with the lowest relative humidity are March and April (83%).
Average rainfall in December
Barnaderg, Ireland
- Average rainfall in December: 66mm
The wettest month (with the highest rainfall) is November (69mm).
The driest month (with the least rainfall) is April (36mm).
Average rainfall days in December
Barnaderg, Ireland
- Average rainfall days in December: 20.8 days
The month with the highest number of rainy days is August (23.2 days).
The month with the least rainy days is April (17.3 days).
Average snowfall in December
Barnaderg, Ireland
- Average snowfall in December: 4mm
The month with the highest snowfall is January (7mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Barnaderg, Ireland
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is March (0.9 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
Barnaderg, 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: 3h and 42min
The month with the most sunshine is June (Average sunshine: 7h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in December
Barnaderg, Ireland
- Average sunshine days in December: 7.1 days
The month with the most sunshine days is March (9.4 days).
The month with the least sunshine days is August (4.1 days).
Average UV index in December
Barnaderg, Ireland
- Average UV index in December: 2
The months with the highest UV index are May, June and July (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
Barnaderg, Ireland
- Average cloud cover in December: 63
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
Barnaderg, Ireland
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
The month with the lowest visibility is July (8km).
