St Patrick's Festival
March
Three days of festivities to celebrate the patron saint of Ireland.
Various venues
Website: www.corkspatricksfestival.ie 

Cork International Choral Festival
Late April-early May
One of Europe's premier choral festivals, featuring around 100 choirs.
City Hall
Website: www.corkchoral.ie

The Cork Midsummer Festival
Mid-late June
Cork's arts festival features theatre, film, music, visual art, community art, literature, dance and family entertainment.
Various venues
Website: www.corkfestival.com

The Lee Swim
July
Participants swim a course of about 2km (1.2 miles) along the river in the city centre.
Website: www.corkmasters.ie

The Frank O'Connor International Short Story Festival
September
An unusual annual festival dedicated to the short story.
Triskel Art Centre and Millenium Hall
Website: www.munsterlit.ie

Cork Jazz Festival
October
Almost all the big names in jazz have taken part in the festival's long history.
Various venues
Website: www.corkjazzfestival.com

Cork Film Festival
October
A celebration of the art of film in all its forms - especially the short film, the usual medium of young, up-and-coming film makers. 
Various venues
Website: www.corkfilmfest.org