The man suffered serious injuries when he was struck by a vehicle near Riddiford St, in the suburb of Newtown, about 8pm on Friday. He was in a coma at Wellington Hospital until he woke up early yesterday but could not remember who he was.
"The man is currently recovering in the [intensive care unit] and while reported to be stable, he's experiencing trouble remembering personal details," police said.
The victim was described as a Caucasian man aged in his 40s with tanned skin, dark hair and beard and of medium build.
Meanwhile, the driver of the vehicle involved is said to be co-operating with police.