Last night was the coldest of the year for most parts of the country. Early risers were met with frost, fog and icy windscreens as temperatures plummeted below freezing.
Mt Cook was the coldest with -13C and Turangi in the North Island got down to -6.4C, a record low since July 2012.
Auckland was the coldest it has been since July 2015 with temperatures plummeting to 1.4C.
The coldest night ever in Auckland was -1.2C in June 1994.
Whangarei reached 2C, Tauranga got down to 0C, Wellington reached 3C, Christchurch was -4C with "freezing fog" and Dunedin was -2C.