Dublin's major events, ranked by crowd impact
Every event here is verified by a person, dated from its own organiser, and measured against Dublin's day-by-day crowd forecast — so they can be ranked on one scale. See the city, day by day →
#1 St Patrick's Festival →
St Patrick's Festival is the busiest of Dublin's 1 verified major events — its day reads Busy, busier than 65% of Dublin's year.
The 2027 St Patrick's Festival in Dublin runs 17 Mar 2027, confirmed; expect Busy days — busier than 65% of Dublin's year. (Avoid-Crowds, as of 2026-08-29; recomputed nightly.)
Disclaimer — event dates can change; expected dates are labelled and can move.