Northern Ireland weather by month

Check out Northern Ireland weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Maximum daytime temperature °C	7	7	9	11	14	17	18	18	16	13	9	8
Hours of sunshine (daily)	2	2	3	5	6	6	5	5	4	3	2	1
Days with some rainfall	20	16	19	15	16	15	15	17	17	19	19	20
Sea temperature °C	9	8	7	8	9	11	13	13	14	13	12	10

More about Northern Ireland

Northern Ireland by month

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

Recommended for Northern Ireland

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The climate guide for Northern Ireland (Belfast) shows long term monthly 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 for next month - January. Select a destination to see the climate guide for all months of the year.