The warmest temperature, 22.4 degrees, was recorded on June 5 at Whitianga on the North Island's Coromandel Coast, a new winter record at this location.
Throughout July, temperatures remained high and were punctured with a stormy, unsettled and extremely strong westerly wind.
Cape Turnagain in Manawatu-Wanganui was hit with the highest gust, peaking at 189km/h on July 12.
A polar blast arrived on July 24, lasting for three days as bitterly cold air chilled the country.
The coldest temperature recorded during winter was -10.2 degrees in Manapouri, Southland on July 26. It set a new all-time record at this location.
The second polar outbreak arrived on August 14, and wreaked havoc across New Zealand as heavy snow levels caused schools and roads to close over the four day period.
Thermometers rose when spring-like temperatures crept in at the end of August.
Of the six main centres in winter, Auckland was the warmest, Christchurch the coldest, Hamilton the wettest, Dunedin the driest and Tauranga the sunniest.