It's the coldest morning of the year for parts of the South Island with temperatures plunging below zero in a number of places.
Mackenzie Country weather enthusiast Jordan Langley said he recorded temperatures in Fairlie of -9.7C at 6.15am on Wednesday.
Lake Tekapo was sitting on -8C and during the middle of Tuesday night Twizel saw as low as -7.5C and Omarama saw -8C, he said.