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Warmest Cities in Leinster

Top 100 cities ranked by warmest cities

Warmest Cities — Leinster

1 Dublin 52°F
2 Swords 52°F
3 Dún Laoghaire 52°F
4 Sandyford 52°F
5 Balbriggan 52°F
6 Malahide 52°F
7 Donaghmede 52°F
8 Foxrock 52°F
9 Marino 52°F
10 Laytown 52°F
11 Donnybrook 52°F
12 Skerries 52°F
13 Cabinteely 52°F
14 Portmarnock 52°F
15 An Ros 52°F
16 Balally 52°F
17 Sandymount 52°F
18 Blackrock 52°F
19 Beaumont 52°F
20 Howth 52°F
21 Ringsend 52°F
22 Baldoyle 52°F
23 Mount Merrion 52°F
24 Lusk 52°F
25 Donnycarney 52°F
26 Donabate 52°F
27 Raheny 52°F
28 Booterstown 52°F
29 Sallynoggin 52°F
30 Dalkey 52°F
31 Kinsealy-Drinan 52°F
32 Sutton 52°F
33 Darndale 52°F
34 Monkstown 52°F
35 Artane 52°F
36 Killester 52°F
37 Dollymount 52°F
38 South Dublin 51°F
39 Tallaght 51°F
40 Drogheda 51°F
41 Navan 51°F
42 Celbridge 51°F
43 Finglas 51°F
44 Rathfarnham 51°F
45 Blanchardstown 51°F
46 Leixlip 51°F
47 Lucan 51°F
48 Knocklyon 51°F
49 Maynooth 51°F
50 Clondalkin 51°F
51 Ashbourne 51°F
52 Dundrum 51°F
53 Crumlin 51°F
54 Palmerstown 51°F
55 Rathmines 51°F
56 Jobstown 51°F
57 Oldbawn 51°F
58 Ballyboden 51°F
59 Ratoath 51°F
60 Ballyfermot 51°F
61 Ballinteer 51°F
62 Rathgar 51°F
63 Castleknock 51°F
64 Cherry Orchard 51°F
65 Terenure 51°F
66 Clane 51°F
67 Dunboyne 51°F
68 Templeogue 51°F
69 Greenhills 51°F
70 Firhouse 51°F
71 Walkinstown 51°F
72 Ballymun 51°F
73 Hartstown 51°F
74 Kilcock 51°F
75 Confey 51°F
76 Chapelizod 51°F
77 Wexford 50°F
78 Enniscorthy 50°F
79 New Ross 50°F
80 Carlow 50°F
81 Athy 50°F
82 Arklow 50°F
83 Kilkenny 50°F
84 Athlone 50°F
85 Kildare 49°F
86 Cherryville 49°F
87 Birr 49°F
88 Wicklow 49°F
89 Bray 49°F
90 Shankill 49°F
91 Portlaoise 49°F
92 Gorey 49°F
93 Little Bray 49°F
94 Portarlington 49°F
95 Dundalk 49°F
96 Droichead Nua 49°F
97 Naas 49°F
98 Tullamore 49°F
99 Trim 49°F
100 Longford 49°F

The warmest cities in Leinster enjoy high average annual temperatures, making them attractive to those who prefer mild winters and plenty of sunshine. Dublin leads with an average annual temperature of 52°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. Dublin's average temperature of 52°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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