Officers area appealing to anyone who was in the area at the time and may have any information to come forward.
Det Cons Jennifer Myles, of Northumbria Police, said: “This is an extremely difficult time for the victim and they continue to be supported by specialist officers.
“We are now appealing to the public for help and asking anyone who was in the area at the time and saw anything suspicious, or anyone who has information about what happened to come forward.
The force said it was particularly keen to speak to a potential witness, a man believed to be in his 40s, who was walking in the area at the time.
Northumbria Police said the victim was attacked in an area near Pottery Lane in Newcastle, shortly before 2am on February 9.
