In terms of other cold regions on the North Island, Bay of Plenty and Hawke's Bay stand out, Loots said.
MetService has predicted it would be a mostly dry but chilly Wednesday.
Meteorologist John Law said the day was looking like a "pretty dry story", with the exception of some parts of the country getting slight showers.
"A fine day, with a cold-looking night to come."
Northland to Waikato, Coromandel and Bay of Plenty are partly cloudy, while rainfall is expected to come during the day.
Similarly, Waitomo to Horowhenua, including Taumarunui, Taupo and Taihape, remain partly cloudy.
People in Gisborne to Wairarapa, Wellington and the Kapiti Coast are forecast for a fine day apart from expected showers for Hawke's Bay and the Tararua District later in the afternoon.
People in Nelson and Marlborough would have a fine day.
Canterbury and Otago could see cloud increasing this morning and a few showers spreading from the south. Snow will be lowering to around 900 metres.
Southland and Fiordland experience showers turning to rain for sometime this morning but these will ease in the afternoon.
It's similar in Buller and Westland, which could experience slight showers as clouds develop in Westland this afternoon.
The Chatham Islands are partly cloudy, with a chance of slight showers.
The southern-most parts of the country could experience really cold temperatures with showers as 700m snow is expected to fall.
Crown Range Rd and Milford Rd in South Island have been issued a three-hour long road snowfall warning starting mid-day and afternoon, with a centimetre or less of snow predicted to settle.
