December weather forecastSwords, Ireland
December
Weather in December
Finally, December signals the onset of winter in Swords and typifies the end of the year with lower temperatures averaging around 8.3°C (46.9°F). Compared to November, December brings cooler temperatures, shorter daylight hours, and an increase in relative humidity to 83.1%, making it the most humid month of the year. Despite the lower temperatures and frosty conditions, rainfall in December remains marginally lower than in November. The reduction of daylight hours and the cold temperatures signify the winter solstice, the shortest day, and the longest night of the year. With the year coming to a close and January approaching, anticipate a persistent drop in temperatures and a decrease in daylight hours.Temperature
With the onset of December in Swords, the average high-temperature registers at a frosty 8.3°C (46.9°F), subtly different from November's 10.3°C (50.5°F). Throughout the month of December, Swords witnesses an average temperature of 2.8°C (37°F).Humidity
December is the most humid month in Swords, with an average relative humidity of 83.1%.Rainfall
In Swords, during December, the rain falls for 17 days and regularly aggregates up to 73mm (2.87") of precipitation. In Swords, Ireland, during the entire year, the rain falls for 191 days and collects up to 758mm (29.84") of precipitation.Snowfall
January through May, November and December are months with snowfall in Swords. In December, in Swords, snow falls for 2.9 days. In Swords, during the entire year, snow falls for 16.7 days.Daylight
December has the shortest days of the year in Swords, with an average of 7h and 36min of daylight.On the first day of December in Swords, sunrise is at 8:18 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 8:40 am and sunset at 4:15 pm GMT.
Sunshine
The month with the least sunshine in Swords is December, with an average of 1.7h of sunshine.Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Swords, Ireland
- Average high temperature in December: 8.3°C
The warmest month (with the highest average high temperature) is July (19.5°C).
The month with the lowest average high temperature is January (8.1°C).
- Average low temperature in December: 2.8°C
The month with the highest average low temperature is July (11.7°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average humidity in December
Swords, Ireland
- Average humidity in December: 83.1%
The month with the highest relative humidity is December (83.1%).
The month with the lowest relative humidity is May (68%).
Average rainfall in December
Swords, Ireland
- Average rainfall in December: 72.7mm
The wettest month (with the highest rainfall) is October (79mm).
The driest month (with the least rainfall) is February (48.8mm).
Average rainfall days in December
Swords, Ireland
- Average rainfall days in December: 17 days
The months with the highest number of rainy days are January, March, October, November and December (17 days).
The month with the least rainy days is June (14 days).
Average snowfall days in December
Swords, Ireland
- Average snowfall days in December: 2.9 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Swords, 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: 1h and 42min
The month with the most sunshine is May (Average sunshine: 6h and 12min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
