Best time to visit Dublin for good weather
When is the best weather in Dublin? Monthly breakdown of temperature, rainfall, and sunshine hours — ranked by what actually matters for your trip.
Best month
July
Peak Dublin summer — Longitude music festival, peak tourist crowds and the most lively month
↑Longitude Music Festival (Marlay Park, July): major international artists in a beautiful park setting
↑Warm (16–20°C) long days; Howth village, coastal walks and outdoor music all excellent
↑The Guinness Storehouse and Book of Kells at their most popular — go at opening time
All months ranked — Good weather
Best match
Peak Dublin summer — Longitude music festival, peak tourist crowds and the most lively month
#1 for good weather
Best match
Late summer at peak prices — Dublin Fringe Festival beginning and the tourist season still in full effect
#2 for good weather
Strong option
St Patrick's Day — Dublin's biggest week and one of the world's great city celebrations
#3 for good weather
Strong option
Bloomsday and midsummer evenings — Dublin at its most lively and culturally rich
#4 for good weather
Strong option
The best shoulder month — warm enough for outdoor Dublin with good value and manageable crowds
#5 for good weather
Strong option
The sweet spot — Dublin Fringe, autumn cultural season and good value returning
#6 for good weather
Strong option
Spring Dublin — blossom, lighter evenings and the city emerging from winter with good energy
#7 for good weather
Strong option
Dublin Theatre Festival and Halloween — an excellent cultural month with good value
#8 for good weather
Worth considering
Christmas Dublin — festive Georgian streets, carol concerts and the warmest hospitality of the year
#9 for good weather
Worth considering
Quiet Dublin — pubs back to locals, good value and the city in its most authentically Irish mode
#10 for good weather
Avoid
Still quiet but the calendar begins to build — Six Nations rugby and Dublin at its most affordable
#11 for good weather
Avoid
The quietest Dublin — great value, empty pubs and the city at its most authentically local
#12 for good weather