Australia is heading towards a warmer summer, with the Bureau of Meteorology’s long-range outlook pointing to hotter days and nights across much of the country and a mixed rainfall picture that varies sharply by region. The update, released ahead of the peak hazard season, lays out what communities can expect as temperatures rise and weather patterns shift.
The bureau’s national forecast shows summer days and nights are likely to be warmer than average in most areas. Parts of the north-west, Queensland and the south-east, including Tasmania, have an increased chance of unusually warm daytime conditions. Overnight warmth is also expected across large stretches of Australia, particularly in the north.
Rainfall patterns are far less uniform. Western and inland eastern regions are likely to see dry conditions, while much of the east coast and south face near-equal chances of wetter or drier weather. According to the bureau, the seasonal outlook will continue to change and weekly updates will reflect how the summer pattern evolves. Communities can check detailed forecasts for their location on the bureau’s website.
The broader climate backdrop remains complex. The Indian Ocean Dipole is expected to return to neutral in December. In the Pacific, a relatively weak La Niña is under way but is forecast to be short-lived. The bureau says this event is unlikely to have a large influence on rainfall this summer.
Hazards remain a central concern. The period from October to April is Australia’s most active for severe thunderstorms, cyclones, flooding, heatwaves and bushfires. Thunderstorms are typically more common from October to December and can bring heavy rain, damaging winds and large hail anywhere across the country. The northern wet season is already under way, increasing the likelihood of widespread rain and flooding in that region. Fire agencies warn that parts of Victoria, western and southern Western Australia and central northern New South Wales face a heightened fire risk.
State forecasts show the varied nature of this year’s summer outlook.
Queensland is likely to see above-average daytime temperatures, with a stronger chance of unusually warm days across large areas. Nights are also expected to stay warm. Rainfall may exceed average levels in the far north while western parts lean towards a drier season. Conditions in the east remain uncertain with near-equal rainfall chances.
In New South Wales and the ACT, December rainfall is likely to be below average. For January and February, the outlook shows no clear direction, with near-equal chances of wetter or drier conditions. Inland areas are likely to end the season drier than usual. Temperatures are expected to sit above average during the day and at night, with an increased chance of unusually high overnight warmth in the ACT and parts of central and eastern New South Wales.
Victoria is tipped for warmer summer days and nights. Much of the state has an increased chance of unusually hot daytime temperatures. December rainfall is likely to fall short of average, while the following months carry no clear rainfall signal.
Western Australia is likely to have a dry summer across large areas, though the south may see varied outcomes. Temperatures are expected to climb above average both day and night. The northern half of the state has an increased chance of unusually high daytime temperatures, with the same pattern at night for the north and south-west.
South Australia faces a similar pattern, with warmer than average days and nights across the state. December is likely to be dry. January and February currently show no clear rainfall direction.
Tasmania is expected to warm up, with very likely above-average daytime and night-time temperatures and an increased chance of unusually high readings. Rainfall remains uncertain, with near-equal chances of a wetter or drier season.
The Northern Territory begins summer with a December forecast that leans dry. Conditions for January and February remain unclear for much of the region, though some areas in the west and north are likely to see below-average rainfall overall. Day and night temperatures are very likely to exceed usual levels, with particularly warm conditions expected in the north.
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