The region's online housing stock also fell to 449 properties - a fall of 8 per cent.
There was a large fall in the number of new listings, with the number of new listings coming online falling 16.3 per cent.
"Typically, in winter we hibernate, and this June was no exception with cold weather felt across the country," Taylor said.
"The reality is that people want to sell their property when they feel that it's looking its best and potential buyers are more likely to go to open homes."
Asking prices remained stable nationally, but had fallen back to 2017 levels in Auckland.
While asking prices in June were stable nationally (average asking price $646,231 representing a 0.3 per cent decrease on May 2018), June was a month where a small number of regions impacted on asking-price levels.
In last month's realestate.co.nz report, the results of research commissioned by the company showed there were many more buyers than sellers intending to be active in the New Zealand property market in the next 12 months.
"We said at the time that this would put increasing pressure on housing stock in the next 12 months.
"Our own tracking of unique visitors to our website is also reflecting this research.
"It's fair to say New Zealanders are still active in the property market."
