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Warmest Cities in Northern Ireland

Top 46 cities ranked by warmest cities

Warmest Cities — Northern Ireland

1 Portstewart 49°F
2 Portadown 49°F
3 Ballymoney 49°F
4 Portrush 49°F
5 Craigavon 49°F
6 Magherafelt 49°F
7 Armagh 49°F
8 Cookstown 49°F
9 Dungannon 49°F
10 Coalisland 49°F
11 Enniskillen 49°F
12 Randalstown 49°F
13 Crumlin 49°F
14 Antrim 49°F
15 Newtownabbey 49°F
16 Belfast 49°F
17 Carryduff 49°F
18 Castlereagh 49°F
19 Banbridge 48°F
20 Strabane 48°F
21 Newry 48°F
22 Limavady 48°F
23 Dromore 48°F
24 Ballycastle 48°F
25 Larne 48°F
26 Omagh 48°F
28 Coleraine 48°F
29 Derry 48°F
30 Downpatrick 48°F
31 Donaghadee 48°F
32 Comber 48°F
33 Holywood 48°F
34 Dundonald 48°F
35 Newtownards 48°F
36 Bangor 48°F
37 Ballymena 48°F
38 Warrenpoint 48°F
39 Carrickfergus 48°F
40 Lisburn 48°F
41 Ballynahinch 48°F
42 Greenisland 47°F
43 Jordanstown 47°F
44 Ballyclare 47°F
45 Kilkeel 47°F
46 Newcastle 47°F

The warmest cities in Northern Ireland enjoy high average annual temperatures, making them attractive to those who prefer mild winters and plenty of sunshine. Portstewart leads with an average annual temperature of 49°F.

Warm-climate cities are popular destinations for retirees, winter migrants, and outdoor enthusiasts. They typically offer year-round access to outdoor activities, lower heating costs, and longer growing seasons. Many have seen significant population growth in recent decades.

While warm weather is appealing, these cities may also face challenges including extreme summer heat, higher cooling costs, water scarcity, and vulnerability to hurricanes or other weather events. Many are investing in heat mitigation strategies and sustainable water management.

Did You Know?

  • 1. Portstewart's average temperature of 49°F means residents enjoy warm weather virtually year-round.
  • 2. The warmest U.S. cities are concentrated in southern Florida, Hawaii, and the desert Southwest.
  • 3. Warm-climate cities have seen the fastest population growth in the U.S. over the past two decades, driven by retirees and remote workers.

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