🇬🇧 Belfast vs Dublin 🇮🇪

Belfast, United Kingdom vs Dublin, Ireland — a side-by-side climate comparison to help you pick. Dublin is the warmer of the two — about 1 degree warmer on average across the year. Dublin is drier, with roughly 35 fewer rainy days a year.

Climate at a glance

🇬🇧 Belfast🇮🇪 Dublin
Avg annual high13°C14°C
Hottest monthJuly (18°C)July (21°C)
Coldest monthJanuary (3°C low)January (3°C low)
Rainy days / year178143
SnowRareRare
Best months to visitJune, July, AugustJune, July, August

🇬🇧 Belfast

Best around June, July, August. Hottest in July (18°C), coldest lows in January (3°C).

🇮🇪 Dublin

Best around June, July, August. Hottest in July (21°C), coldest lows in January (3°C).

Frequently asked questions

Is Belfast or Dublin warmer?

Dublin is warmer overall, averaging about 1 degree higher across the year.

Which is rainier, Belfast or Dublin?

Belfast is rainier — Dublin sees about 35 fewer rainy days per year.

When is the best time to visit Belfast vs Dublin?

Belfast is best around June, July, August; Dublin is best around June, July, August.

Not sure? Find your ideal destination by climate →