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Storms are scattering across northern & interior WA, the NT & northern Qld as moisture feeds troughs. Brisk winds between fronts are bringing showers & small hail to Vic, Tas & SA. Showers are falling as snow in the Alps & highland Tas. Hot, dry winds are blowing in WA.
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30 Nov 2025, 10:08PM UTC
Snow, bitter cold, on first day of Australian summer
A light blanket of snow has fallen at the highest elevations of three states – Tasmania, Victoria and New South Wales – in a very wintry start to the Australian summer. As a cold front sweeps across the southeast corner of the continent, our two southernmost capital cities – Melbourne and Hobart – are both heading for maximums of just 15°C this Monday, December 1. For Melbourne, 15°C is the average maximum temperature in August, the third month of winter. This was the scene on Monday morning as the sun briefly popped out between snow showers at Thredbo in the Snowy Mountains of NSW, with settled snow down to about 1600 metres. Image: The date stamp confirms that this is indeed Australian snow on December 1, 2025. Source: ski.com.au. One Snowy Mountains local got out the skis and hiked up to the top of Mt Perisher, where between 10 and 15 cm had accumulated above about 1800m, with snow showers continuing. Image: Mt Perisher, NSW, on December 1, 2025. Source: Steve Smith. You can see the feed of moist, chilly air with polar origins surging across Tasmania and the southeast mainland in the combined radar and satellite loop below. Image: Combined satellite and radar loop across Tasmania and SE Australia on the morning of Monday, December 1, 2025. How rare are summer snowfalls in the Australian high country? As we wrote last week as weather models started predicting Monday's unseasonably chilly start to summer, summer snowfalls on the highest parts of Australia are actually not that unusual. Airmasses originating in polar latitudes tend to brush southern Australia at least once or twice during the three months of summer. These cold outbreaks are usually short-lived, and that will be the case this week. For example, Melbourne is heading for highs of 28°C by Wednesday and 33°C by Thursday. The incidence of polar outbreaks tends to be much more likely during a negative phase of the Southern Annular Mode (SAM). As the graph below shows, the SAM is as low as it has been over the past 12 months. Image: Phases of the Southern Annular Mode over the past 12 months to November 28, 2025. Source: BoM. Does today's weather mean Australia likely to have a cool summer? Not necessarily, no. As Weatherzone meteorologist Ben Domensino explained last week, it is tricky to predict what will happen this Australian summer due to the competing influence of two climate drivers – the negative SAM and the La Niña which has just been declared. There is also uncertainty regarding the future development of the SAM into December. The BoM’s latest climate outlook predicts that daytime temperatures are likely to be above average across most of Australia from December through to February, with overnight temperatures very likely to be above average across most of Australia. The BoM also predicts that despite the typically wet influence of La Niña, rainfall is likely to be below average for parts of the west and inland parts of the east, with roughly equal chances of above or below average rainfall across the south and along the east coast.
29 Nov 2025, 11:17PM UTC
Contrasting start to summer expected for Australia’s west and southeast
As we head into the beginning of December, the contrasting patterns in Australia’s weather can be summed up in one sentence; Melbourne could have its coldest opening day of summer on record, while Perth has its hottest. This may not be an exaggeration come tomorrow night. For December 1st, Perth’s highest temperature on record is 37.4°C in 1979, while Melbourne’s lowest is a wintry 15.5°C in 1987. Tomorrow’s forecasts for Perth and Melbourne are 38°C and 16°C respectively, although Melbourne could stay even chillier than its forecast with a soggy day expected. Image: Forecast temperature and winds across southern Australia on December 1st 2pm WST using ECMWF. Let’s start with the west, where a typical summer setup is developing. A trough is beginning to extend down the west coast of Western Australia, drawing hot air from the interior towards the west coast. This setup is a regular feature of summers for west and southwest WA, with Perth exceeding 35°C an average of 27 times between October and April. Meanwhile, Melbourne—and in fact southeast Australia in general—has been subjected to an unusually chilly November, with multiple days of snow so far over the mainland Alps and the Tasmanian highlands. We wrote a few days ago that a cold front will likely bring snowfalls on the first day of summer, which you can read more about here. For Melbourne, this cold front will bring thick cloud cover and showers, making it feel much more like the first day of winter than the first day of summer. Image: Forecast accumulated rainfall for the 48 hours to December 1st using ECMWF. Victoria's rainfall should be relatively evenly split between Sunday and Monday. You can see the differing patterns in the forecast synoptic chart for Monday below, with very warm to hot winds pushing through the west coast, and cool southwesterlies accompanying the expected rainfall across the southeast. While Melbourne’s official forecast is 16°C, these persistent showers could keep the day cooler than expected.Image: Forecast synoptic chart for Monday across Australia. Of course, these temperatures are a long way off reaching any all-time December records, and there is still a chance that each of these cities don’t even reach their respective December 1st records. However, the fact that we are talking about the possibility highlights the vastness of the country and the massive contrasts that can eventuate in our weather patterns.
29 Nov 2025, 5:08AM UTC
The most sweltering November night for Queensland
Most of Queensland remained above 24 degrees through the penultimate night of November 2025, making it the hottest November night on record for many cities in the state. Image: Minimum temperatures on Saturday November 29th 2025 The following locations recorded their highest November minimum temperature on record: Rockhampton – 25.9°C (records since 1939) Townsville – 27.9°C (records since 1940) Lady Elliot – 26.1°C (records since 1957) Gladstone – 26.3°C (records since 1958) Mackay – 27.1°C (records since 1959) Low Isles – 27.9°C (records since 1967) Bundaberg – 26.4°C (records since 1959) Hervey Bay – 26.8°C (records since 1999) Hamilton Island – 27.2°C (records since 2002) The reason for this incredibly uncomfortable night is a heat trough slowly crossing the state. The trough over inland Queensland on November 28th drew hot winds over the state’s north and east. Daytime temperatures peaked between the low 30s and low 40s across the state before thick cloud from the trough blocked further solar heating, with intense storms ripping across the state. Image: (Left) Temperatures across Queensland at 3pm local time on November 28th with the heat trough. (Right) Temperatures across Queensland at 4am local time on November 29th That same thick cloud which prevented more heating during the day, trapped that daytime heat near the surface during the night, preventing temperatures from cooling down to the average November minimum through the night. Image: A comparison of temperatures at 9am local time on November 28th and 29th where the heat trough is over the state west versus the state east. Temperatures are expected to be hot once more tonight, but with the trough moving offshore overnight, temperatures are likely to drop into the high teens and low 20s for the southern half of the state before 9am tomorrow as skies clear. A front will inject a cooler airmass over the eastern half of the country causing temperatures in Queensland to drop down to the November average at the start of the working week.




