Belfast weather in December 2024

Q: How warm is it in Belfast in December?

Daytime temperatures usually reach 8°C in Belfast in December, falling to 2°C at night.

Q: How sunny is it in Belfast in December?

There are normally 1 hour of bright sunshine each day in Belfast in December - that's 18% of daylight hours.

Q: Is the sea cold around Belfast in December?

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

Q: Does it rain in Belfast in December?

There are usually 20 days with some rain in Belfast 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 Belfast in December. Check more long-term weather averages for Belfast 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 Belfast

Belfast by month

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

Recommended for Belfast

National Trust Holidays: 25% off last minute holidays

Discount Code

Save 25% on breaks with National Trust Holidays
Discover stays acoss Devon, North Wales & more
Travel before 30th November 2024 (inclusive)

Show discount code

******UTE

Redeem National Trust Holidays discount code >>

Expires at 23:59 on Saturday 30th Nov 2024 · View all National Trust Holidays 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.

Metric (°C) | Imperial (°F)