Northern Ireland weather in December 2024

Q: 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.

Q: 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.

Q: Is the sea cold around Northern Ireland in December?

The average sea temperature around Belfast, Northern Ireland in December is 10°C.

Q: 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.

Expect 46°F daytime maximum temperatures in the shade with on average 1 hours of sunshine per day in Northern Ireland in December. Check more long-term weather averages for Northern Ireland in December before you book your next holiday to Northern Ireland in 2024/2025.

46
46°F max day temperature
1
1 hour of sunshine per day
20
20 days with some rainfall
36
36°F min night temperature
7
7 hours of daylight per day
0
No heat & humidity
3.7
3.7 inches of monthly rainfall
0
No UV (Maximum) Index UV index
50
50°F sea temperature

More about Northern Ireland

Northern Ireland by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Northern Ireland

Spabreaks.com: Last minute spa breaks & spa days

Sale

Save on spa breaks & spa days with last minute deals
Explore exclusive spa deals & offers ending soon
Book spas in London, Manchester, Cardiff & more

Go to Spabreaks.com deal >>

View all Spabreaks.com offers

The December weather guide for Northern Ireland (Belfast) 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.

Top Northern Ireland destinations

Below are average maximum temperatures at popular countries, regions and places in Northern Ireland in December. Select a holiday destination to see more weather parameters.

46
Belfast
45
Londonderry

All Northern Ireland destinations

Metric (°C) | Imperial (°F)

More about the UK

How warm is it in Northern Ireland in December?

Daytime temperatures usually reach 46°F in Belfast, Northern Ireland in December, falling to 36°F 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.

How warm is the sea around Northern Ireland in December?

The average sea temperature around Belfast, Northern Ireland in December is 50°F.

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 3.7 inches.

Northern Ireland December sunrise & sunset times

Browse the sunrise and sunset times for Northern Ireland in December 2024. Select a month to view Northern Ireland sunrise and sunset times for the next 12 months. The Northern Ireland sunrise and sunset times shown below are for Belfast.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec