One guest night is equivalent to one guest spending one night at an establishment. A motel with 10 guests spending two nights would report that they had provided 20 guest nights.
Guest nights rose for three of the four accommodation types in August. Motels saw growth of 1.9 per cent, hotels were up 0.8 per cent and holiday parks had a lift of 0.4 per cent.
Backpacker guest nights fell 1.7 per cent.
The South Island outperformed the North, with increases of 1.1 per cent and 0.7 per cent respectively.
There was a 1.9 per cent rise in the number of New Zealanders staying in accommodation, after fluctuations earlier this year caused by early Easter and later school holidays.
International guest nights increased by 0.2 per cent, after a 1.9 per cent fall in July.
Eleven of the 12 regions saw growth in August, with the largest occurring in Otago.