Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
The arrival of December denotes a barely perceptible change in the average high-temperatures to a still frosty 7.1°C (44.8°F) from November's 9.1°C (48.4°F). During December's nights, Ballyfermot notes a minor temperature decline, reaching an average of 3.4°C (38.1°F).Humidity
December is the most humid month, with an average relative humidity of 90%.Rainfall
In December, the rain falls for 14.9 days. Throughout December, 47mm (1.85") of precipitation is accumulated. In Ballyfermot, during the entire year, the rain falls for 209.2 days and collects up to 564mm (22.2") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Ballyfermot, during December, snow falls for 1.2 days and regularly aggregates up to 13mm (0.51") of snow. In Ballyfermot, during the entire year, snow falls for 7.1 days and aggregates up to 56mm (2.2") 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 8:18 am and sunset at 4:10 pm. On the last day of December, sunrise is at 8:40 am and sunset at 4:16 pm GMT.
Sunshine
In Ballyfermot, the average sunshine in December is 4.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Ballyfermot in December?
What is the most humid month?
What is the average humidity in December in Ballyfermot?
How many days does it rain in December in Ballyfermot?
How many days does it snow in December?
What is the month with the shortest days in Ballyfermot?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Ballyfermot have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Ballyfermot, Ireland
- Average high temperature in December: 7.1°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°C).
- Average low temperature in December: 3.4°C
The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is February (2.5°C).
Average pressure in December
Ballyfermot, Ireland
- Average pressure in December: 1011mbar
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
Ballyfermot, Ireland
- Average wind speed in December: 21km/h
The windiest month (with the highest average wind speed) is January (21.1km/h).
The calmest months (with the lowest average wind speed) are June and July (13.6km/h).
Average humidity in December
Ballyfermot, Ireland
- Average humidity in December: 90%
The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are March, April and May (85%).
Average rainfall in December
Ballyfermot, Ireland
- Average rainfall in December: 47mm
The wettest month (with the highest rainfall) is August (71mm).
The driest month (with the least rainfall) is April (30mm).
Average rainfall days in December
Ballyfermot, Ireland
- Average rainfall days in December: 14.9 days
The month with the highest number of rainy days is August (24.2 days).
The month with the least rainy days is February (13.6 days).
Average snowfall in December
Ballyfermot, Ireland
- Average snowfall in December: 13mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Ballyfermot, Ireland
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (2.4 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
Ballyfermot, Ireland
- Average daylight in December: 7h and 4min
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 1min
The months with the most sunshine are April and May (Average sunshine: 6h and 42min).
The months with the least sunshine are February, October and November (Average sunshine: 3h and 54min).
Average sunshine days in December
Ballyfermot, Ireland
- Average sunshine days in December: 13 days
The month with the most sunshine days is January (13.2 days).
The month with the least sunshine days is August (3.4 days).
Average UV index in December
Ballyfermot, 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, November and December (UV index 2).
Average cloud cover in December
Ballyfermot, Ireland
- Average cloud cover in December: 58
The month with the most cloud cover is July (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility in December
Ballyfermot, 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).
