Heavy rain across Tasmania's north-west over the weekend has damaged homes and closed businesses.

The State Emergency Service helped residents from Queenstown to Port Sorell struggling with leaking roofs and overflowing drains.

Alex Melitsis from the weather bureau says the downpour has been significant.

"So far this month we have seen rainfalls of around 100 millimetres, give or take a little bit about the north, and we have seen rainfall totals of in excess of around 200 millimetres on the plateau," he said.

The rain forced the closure of golf courses along the north-west coast.

Management at the Penguin club deemed the course too dangerous for buggies.

About 80 millimetres of rain closed three holes at the Port Sorell Golf Club at Shearwater.

Spokesman Darren Spencer says the quiet weekend has hurt business.

"Normally we get about 60 to 70 players on a Saturday then we have a reasonable day on Sunday with green fee and social play, but she's just a wash-out this weekend really."