For the first time in at least 10 years, Canberra has shivered through four consecutive June mornings below minus 5 degrees.
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The mercury plummeted to minus 5.2 degrees at 5.30am on Monday and as if that wasn't cold enough, the temperature felt like minus 8.7 degrees.
Weatherzone meteorologist Tom Hough said the organisation's data for Canberra Airport went back to 2008, and showed no other occasions during June where the temperature dropped below minus 5 degrees on four straight days.
Mr Hough said there was some respite on the way, with clouds and showers forecast in the next few days set to warm things up.
A low of minus 3 was expected on Tuesday, and minus 1 on Wednesday. It was then set to go back to the other side of 0 on Thursday, with a forecast minimum of 3 degrees.
"We've got a broad high-pressure system centred over the South Australia/Victoria border, and that's bringing largely clear skies," Mr Hough said.
"Combined with light winds, that's what's creating these low temperatures.
"We've got some clouds and showers increasing in the next couple of days though, so this should be the last morning below minus 5."
Amateur photographer Tim Leach braved the cold in the early hours of Friday to capture a frozen water droplet covered with hexagonal hollow rod frost crystals in Evatt.
He said it took him 20 minutes to take the image, which is comprised of a stack of 60 photos taken when the temperature hit minus 5 degrees.
"The frost crystals require several hours of sub-zero conditions for sufficient growth, even on the coldest Canberra nights," Mr Leach said.
"The stacking images must be taken during the coldest part of the night as the frost crystals are very sensitive to temperature change, including that caused by the camera flash, and they collapse very easily."
Over the next week, light winds are set to stick around, while no significant rainfall is expected.
"There might be only the odd spattering later in the week," Mr Hough said.
"You'd only be looking at less than five millimetres on Thursday and Friday."
The ski fields should see fresh snowfall each day from Wednesday until the end of the week.
Perisher and Thredbo expect their biggest falls of the week to come on Friday and Sunday, when between two and five centimetres of fresh snow is predicted.
The next significant snowfall is expected on Saturday, July 7, with between five and 10 centimetres expected to fall at Perisher.
