May
- 3rd - 5th: 14th Annual Slieve Bloom Walking Festival, Kinnity
- from 31st: Flora Birrensis 2008, Birr Castle
June
- throughout June: Flora Birrensis 2008, Birr Castle
- 9th - 15th: 13th International Peat Conference Arts Programme, Tullamore
- 20th - 22nd: Shannonbridge and Clonmacnoise Midsummer Music Festival
July
- through July: Flora Birrensis 2008, Birr Castle
- 17th-20th: Phoenix Festival, Tullamore
August
- throughout August: Flora Birrensis 2008, Birr Castle
- 10th: Tullamore Show
- 15th - 16th: World DTL Shooting Competition, Banagher
- 15th - 22nd: 40th Birr Vintage Week and Arts Festival
- 17th - 24th: Fleadh Cheoil na nEireann, Tullamore
- 30th - 31st: Irish Game and Country Fair, Birr Castle
September
- 5th - 7th: Slieve Bloom Geology and Natural History Festival (Counties Offaly and Laois)
October
- 5th - 7th: Whirlpool Star Party, Birr Castle
- 16th - 19th: Slieve Bloom Storytelling Festival (Counties Offaly and Laois)
