Dublin works all year, because most of the fun happens in pubs. The real differences are daylight, prices and the big event weekends that fill the city.
Dublin through the year
19.5 °C
average July daytime high
8 °C
average January daytime high
~17 h
daylight in late June
~7.5 h
daylight in late December
137
days with rain a year
Season by season
🌸 Spring
March to May. St Patrick’s week is the busiest time of year; April and May are calmer, with longer days.
☀️ Summer
June to August. The warmest weather and the longest evenings – also the busiest hotels.
🍂 Autumn
September and October are usually quieter and often better value.
❄️ Winter
November to February. Short days and cold weather, but the pubs are at their cosiest, apart from Christmas.
🏉 Match weekends
Ireland’s Six Nations home games bring big crowds to the city.
Dates to plan around
13–17 March 2027
St Patrick’s Festival
The biggest party of the year – and the most expensive and crowded weekend.
5 Feb & 13 Mar 2027
Six Nations at the Aviva
Ireland v England and Ireland v France – busy hotels and pubs.
July
All-Ireland finals
The hurling and football finals at Croke Park bring big crowds.
Good to know
🌧️ Rain all year
Dublin has rain on about 137 days a year, so plan indoor options.
🎄 Christmas
Pubs are closed on Christmas Day.
🌞 Long summer evenings
In late June the sun sets around 22:00.
🌙 Early winter darkness
In December it is dark soon after 16:00.
📅 Book early in summer
Hotels are busiest in summer and on event weekends.
Activities for any season
FAQ
When is the best time for a stag do in Dublin?
Late spring and summer have the best weather and longest evenings. Autumn and winter are usually quieter and better value.
Should we avoid St Patrick’s Day?
Only if you want lower prices and quieter pubs. It is the busiest and most expensive time of the year.
How cold is Dublin in winter?
Daytime highs average about 8 °C in December and January.
Does it rain a lot in Dublin?
Yes – about 137 days a year have at least 1 mm of rain, so bring a jacket.
