May
- 2nd - 5th: Beating the Bodhran Workshops, Glean Cholm Cille
- 2nd - 5th: Cup of Tae Festival, Ardara
- 2nd - 5th: Killybegs Seafood Festival
- 3rd: One Day Species Competition, Killybegs
- 4th: Tullaghbegley Mountain Walk, Gweedore
- 15th - 18th: Guth Gafa Documentary Film Festival, Gortahork
- from 29th: Rory Gallagher International Tribute Festival 2008, Ballyshannon
- from 30th: Dunfanaghy Seafood Festival
- from 30th: Mick and Miceal Carr Memorial Traditional Music Weekend, Meenaneary
June
- until 1st: Dunfanaghy Seafood Festival
- until 1st: Rory Gallagher International Tribute Festival 2008, Ballyshannon
- until 2nd: Mick and Miceal Carr Memorial Traditional Music Weekend, Meenaneary
- 13th - 15th: Shell Donegal International Car Rally, Letterkenny
- 26th - 30th: 4th Tory Island Maritime Film Festival
- from 28th: Ireland's Environment & Culture, Gleann Cholm Cille
July
- -5th: Ireland's Environment & Culture, Gleann Cholm Cille
- 4th-6th: Killybegs Community Carnival and Maritime Festival
- 5th -6 th: Bundoran Horse and Pony Racing Festival
- 10th-20th: Earagail Arts Festival
- 11th-13th: Donegal Music Festival, Donegal Town
- from 27th: Dunfanaghy August Fair
August
- 1st - 3rd: Ballyshannon Irish Folk and Traditional Music Festival
- until 4th: Dunfanaghy August Fair
- 1st - 4th: Downings Festival, Letterkenny
- 3rd - 10th: 41st Clonmany Festival, Inishowen
- 7th - 14th: Festival at the Top, Malin Head
- 9th - 17th: Feile Ghleann Cholmcille
- 16th - 23rd: Traditional Dances of Donegal, Gleann Cholm Cille
September
- 5th - 7th: Bundoran Autumn Festival
- 25th - 29th: Hills of Donegal Celtic Festival, Bundoran
October
- 3rd - 5th: Feile Rince Traidisiunta, Ardara
- 4th: Ballyshannon Performing Arts Street Carnival
- 10th - 12th: The Charles Macklin Autumn School, Culdaff Village (Inishowen, Co. Donegal)
- 11th: Harvest Stages Rally, Letterkenny
- from 15th every Wednesday night: Inishowen Open Draughts Tournament, Muff
- from 31st: Dunfanaghy Halloween Madness
November
- throughout November every Wednesday night: Inishowen Open Draughts Tournament, Muff
- until 2nd: Dunfanaghy Halloween Madness
- 7th - 9th: Ardara Matchmaking Weekend
- 12th - 17th: 6th Smurfit Samhain International Poetry Festival, Gortahork
December
- until 10th every Wednesday night: Inishowen Open Draughts Tournament, Muff
- from 27th: Scoil Gheimhridh Frankie Kennedy, Gaoth Dobair
