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Northern Ireland weather in December 2021
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Below are average maximum temperatures at popular destinations in Northern Ireland in December. Select a destination to see more weather parameters.
Recommended for Northern Ireland
The December weather guide for Northern Ireland shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
How warm is it in Northern Ireland in December?
Daytime temperatures usually reach 8°C in Belfast, Northern Ireland in December, falling to 2°C at night.
How sunny is it in Northern Ireland in December?
There are normally 1 hour of bright sunshine each day in Belfast, Northern Ireland in December - that's 18% of daylight hours.
Is the sea cold around Northern Ireland in December?
The average sea temperature around Belfast, Northern Ireland in December is 10°C.
Does it rain in Northern Ireland in December?
There are usually 20 days with some rain in Belfast, Northern Ireland in December and the average monthly rainfall is 94mm.
Metric (°C / mm) | Imperial (°F / inches)
Northern Ireland sunrise & sunset times for December 2021
Browse the sunrise & sunset times for Northern Ireland in December 2021. Select a month to view Northern Ireland sunrise & sunset times for the next twelve months. The Northern Ireland sunrise & sunset times shown below are for Belfast.
|Date||Sunrise times||Sunset times|
|Wednesday, 1st December 2021||08:23||16:03|
|Thursday, 16th December 2021||08:41||15:58|
|Friday, 31st December 2021||08:46||16:08|
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