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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 47–50°F. Annual precipitation ranges 35.9–51.5 in 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
41°F in January, 60°F in July
Derry
Population 84k
Mild summers, cold winters
Avg
38°F in January, 57°F in July
Lisburn
Population 78k
Mild summers, cool winters
Avg
41°F in January, 60°F in July
Newtownabbey
Population 64k
Mild summers, cool winters
Avg
41°F in January, 60°F in July
Bangor
Population 61k
Mild summers, cool winters
Avg
41°F in January, 60°F in July
Craigavon
Population 59k
Mild summers, cool winters
Avg
41°F in January, 60°F in July
Find a city in Northern Ireland
Search 14 cities by name.