Gough gained notoriety in 2003 and 2005 when he walked naked from Land's End to John O'Groats and was the subject of a TV documentary. His refusal to put on clothes in public has led to him spending prolonged terms in prison for repeatedly breaching court rulings.
Gough was banned from entering the court after he refused to wear clothing for the trial.
Stephen Gough, 53, of Chamberlayne Road, Eastleigh, Hampshire, pleaded not guilty to the charges of behaviour likely to cause harassment, alarm or distress.
But District Judge Anthony Calloway found Gough guilty of the offences ruling that the unwitting members of the public had been "distressed" at seeing the defendant without clothes on.
He fined the defendant £200 for each offence but waived payment of the fine in lieu of time served by Gough in custody. District Judge Calloway said: "There is evidence, in my judgment, there are elements of the defendant as an exhibitionist."