December weather forecastDundalk, Ireland
December
Weather in December
In December, Dundalk immerses in full winter mode with the temperature dropping from 3°C (37.4°F) to 7.1°C (44.8°F). The city endures its year's shortest daylight period of 7.5 hours, and a minimal sunshine tenure of 4 hours, perpetuating a typical winter ambiance. An average snowfall of 1mm (0.04") marks the onset of Dundalk's simplified winter experience, albeit without the substantial snowfall typically associated with the season. With a consistent cloud cover of 59% and regular rainfall, the city exhibits its winter charm under the gray skies. In this final month, Dundalk displays its resilient spirit, welcoming the new year with distinctive winter weather.Temperature
With the onset of December in Dundalk, a modest change to a still chilly 7.1°C (44.8°F) from November's 9°C (48.2°F) is noted in high-temperature. Dundalk maintains a near steady average temperature of 3°C (37.4°F) during the nights of December, demonstrating little drop from daytime highs.Humidity
With an average relative humidity of 91%, December is the most humid month in Dundalk.Rainfall
In Dundalk, in December, during 9 rainfall days, 11mm (0.43") of precipitation is typically accumulated. In Dundalk, during the entire year, the rain falls for 120.2 days and collects up to 161mm (6.34") of precipitation.Snowfall
January through March and December are months with snowfall in Dundalk. December is the first month it typically snows. Throughout December, in the average 0.6 snowfall days, it receives 1mm (0.04") of snow. In Dundalk, during the entire year, snow falls for 4.4 days and aggregates up to 13mm (0.51") of snow.Daylight
The month with the shortest days in Dundalk, Ireland, is December, with an average of 7h and 30min of daylight.On the first day of the month, sunrise is at 8:21 am and sunset at 4:07 pm. On the last day of December, in Dundalk, sunrise is at 8:44 am and sunset at 4:13 pm GMT.
Sunshine
In Dundalk, the average sunshine in December is 4h.UV index
The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dundalk, 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 (6.8°C).
- Average low temperature in December: 3°C
The month with the highest average low temperature is July (10.7°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in December
Dundalk, Ireland
- Average pressure in December: 1010.1mbar
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
Dundalk, Ireland
- Average wind speed in December: 19.8km/h
The windiest month (with the highest average wind speed) is January (20.2km/h).
The calmest months (with the lowest average wind speed) are June and July (13km/h).
Average humidity in December
Dundalk, Ireland
- Average humidity in December: 91%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are March and April (85%).
Average rainfall in December
Dundalk, Ireland
- Average rainfall in December: 11mm
The wettest month (with the highest rainfall) is June (21mm).
The driest month (with the least rainfall) is January (8mm).
Average rainfall days in December
Dundalk, Ireland
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is September (7 days).
Average snowfall in December
Dundalk, Ireland
- Average snowfall in December: 1mm
The month with the highest snowfall is February (6mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Dundalk, Ireland
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is January (1.4 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
Dundalk, Ireland
- Average daylight in December: 7h and 30min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is June (Average sunshine: 6h and 42min).
The months with the least sunshine are February and October (Average sunshine: 3h and 42min).
Average sunshine days in December
Dundalk, Ireland
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in December
Dundalk, Ireland
- Average UV index in December: 2
The months with the highest UV index are June and August (UV index 4).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Dundalk, Ireland
- Average cloud cover in December: 59
The months with the most cloud cover are July and August (Cloud cover 66).
The month with the least cloud cover is April (Cloud cover 57).
Average visibility in December
Dundalk, Ireland
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).
