April- Kite surfing season begins
28 May- Vesak festival
25 June- Poson festival
June- Sloth bear season begins in Yala National Park
June- Sigiriya arts & crafts mela
June- International Indian Film Academy Awards 2010 in Colombo, Sri Lanka
1-4 July- British Pro Surf Association- Champion of champion surf contest in Arugam Bay
