Mathura is a laid back temple town that offers you a very peaceful experience. You can go during Ganga Dussehra, in May, or Buddha Purnima. Both times see some very beautiful activities at the Ghats (Read More)of Mathura. Visiting during February-March, for the Holi celebrations at Nandgaon, Barsana and Mathura, is a different experience altogether. Holika Dahan here is also a great attraction in Mathura.