Pope Francis will remain at the Domus Sanctae Marthae residence in the Vatican, even during the summer months.
Vatican Radio - The Director of the Press Office of the Holy See, Fr. Federico Lombardi, SJ affirmed the Holy Father’s intentions after presenting the Pope's summer schedule on Thursday. Fr. Lombardi also announced that that the public celebration of morning Mass in the chapel of the Domus will be suspended, starting July 8th. Listen: 
The schedule released by the Prefecture of the Pontifical Household also explains that all private and special audiences are suspended as well: General audiences are suspended during the month of July, and will resume on Wednesday, August 7th, at the Vatican. Pope Francis will travel to Castel Gandolfo on 14 July for the Sunday Angelus.
From Monday, July 22nd, to Monday, July 29th, the Pope will be in Brazil for World Youth Day celebrations.