December weather forecastBallymount, Ireland
December
Weather in December
The first month of the winter, December, is also a frosty month in Ballymount, Ireland, with an average temperature ranging between max 7°C (44.6°F) and min 2.4°C (36.3°F).Temperature
Ballymount's transition from November to December introduces an average high-temperature of a still chilly 7°C (44.6°F), marking an insignificant variation from the 8.9°C (48°F). Ballymount's nocturnal December readings average at an icy 2.4°C (36.3°F), showing little variation from the daytime temperatures.Humidity
December is the most humid month in Ballymount, with an average relative humidity of 92%.Rainfall
In Ballymount, during December, the rain falls for 11 days and regularly aggregates up to 19mm (0.75") of precipitation. In Ballymount, during the entire year, the rain falls for 142.7 days and collects up to 221mm (8.7") of precipitation.Snowfall
January through April, November and December are months with snowfall in Ballymount, Ireland. In Ballymount, during December, snow falls for 1.6 days and regularly aggregates up to 8mm (0.31") of snow. Throughout the year, in Ballymount, there are 9.7 snowfall days, and 45mm (1.77") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 7h and 36min of daylight.On the first day of December in Ballymount, sunrise is at 8:18 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 8:40 am and sunset at 4:16 pm GMT.
Sunshine
In Ballymount, the average sunshine in December is 3.9h.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 reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ballymount, Ireland
- Average high temperature in December: 7°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 (6.6°C).
- Average low temperature in December: 2.4°C
The month with the highest average low temperature is July (10.7°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).
Average pressure in December
Ballymount, Ireland
- Average pressure in December: 1011.1mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.3mbar).
Average wind speed in December
Ballymount, Ireland
- Average wind speed in December: 19.6km/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 (12.9km/h).
Average humidity in December
Ballymount, Ireland
- Average humidity in December: 92%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and May (86%).
Average rainfall in December
Ballymount, Ireland
- Average rainfall in December: 19mm
The wettest month (with the highest rainfall) is August (26mm).
The driest months (with the least rainfall) are January and October (13mm).
Average rainfall days in December
Ballymount, Ireland
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is October (9.8 days).
Average snowfall in December
Ballymount, Ireland
- Average snowfall in December: 8mm
The months with the highest snowfall are January and February (15mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Ballymount, Ireland
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is February (2.7 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
Ballymount, 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 54min
The month with the most sunshine is April (Average sunshine: 6h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Ballymount, Ireland
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is December (15.8 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in December
Ballymount, Ireland
- Average UV index in December: 2
The months with the highest UV index are May, June and August (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
Ballymount, Ireland
- Average cloud cover in December: 62
The month with the most cloud cover is July (Cloud cover 69).
The month with the least cloud cover is April (Cloud cover 58).
Average visibility in December
Ballymount, Ireland
- Average visibility in December: 9km
The months with the highest visibility are January, February, March and December (9km).
The month with the lowest visibility is July (7km).





