Home › Continents › United Kingdom › Northern Ireland
Northern Ireland climate
Climate normals for 14 cities in Northern Ireland — find your city, or get the regional gist.
Across the 14 cities we cover in Northern Ireland, annual averages run 8–10°C. Annual precipitation ranges 911–1307 mm across those cities. All covered cities classify as Oceanic / temperate (Köppen Cfb).
Largest cities in Northern Ireland
The most populous cities — most visitors want one of these. Tap a name for month-by-month detail.
Belfast
Population 348k
Mild summers, cool winters
Avg
5°C in January, 15°C in July
Derry
Population 84k
Mild summers, cold winters
Avg
4°C in January, 14°C in July
Lisburn
Population 78k
Mild summers, cool winters
Avg
5°C in January, 15°C in July
Newtownabbey
Population 64k
Mild summers, cool winters
Avg
5°C in January, 15°C in July
Bangor
Population 61k
Mild summers, cool winters
Avg
5°C in January, 15°C in July
Craigavon
Population 59k
Mild summers, cool winters
Avg
5°C in January, 16°C in July
Find a city in Northern Ireland
Search 14 cities by name.