The council undertook a perception survey with the community of issues in the city centre.
In the survey parking was the highest-ranking issue as something that needed to change to bring people back to the CBD.
Mainstreet Tauranga spokeswoman Sally Cooke says the trial will give quantifiable data of what influence the cost of parking has "in the grand scheme of things".
As well as occupancy data, foot traffic data and feedback from businesses could be used to measure the success of the trial
There is a risk staff would use the parks but the organisation would work with retailers, many of whom supported the trial, to limit that.
Deputy Mayor Kelvin Clout has already declared his support for the proposal, but says there are 10 other councillors who will also have a say on whether it goes ahead.
There may be some debate as to whether parking charges are the sole reason for people staying away from the CBD as the growing popularity of online shopping has also undoubtedly had an impact, but - despite the loss in revenue - the council should move ahead with the trial.
It is the only way an informed decision can be made on whether or not free parking will revive the CBD.