On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Mean number of days of ground frost

These datasets are available in a range of formats.

Please choose in which format you would like to download the dataset, below.

Mean ground frost days 1981-2010 (XSLX 13 KB)

Mean ground frost days 1991-2020 (XLSX 14 KB)Download