Australia’s two largest cities have set or matched winter heat records. Sydney’s winter was the hottest ever recorded, and Melbourne equalled its previous record for the season. The Bureau of Meteorology’s spring outlook shows above-average daytime and nighttime temperatures are expected to continue across large parts of Australia, with an increased chance of unusually high daily maximums. The three eastern states — New South Wales, Victoria and Tasmania — all recorded their warmest winters on record. The BoM said the above-average trend is likely to persist into spring.
Sydney records warmest winter on record; Melbourne ties previous high
New South Wales, Victoria and Tasmania all experience hottest winters, BoM spring outlook warns of more heat to come
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Sydney has recorded its warmest winter on record, while Melbourne has equalled its previous hottest winter, the Bureau of Meteorology confirmed. New South Wales, Victoria and Tasmania all experienced their warmest-ever winters, and the BoM’s spring outlook indicates above-average daytime and nighttime temperatures are expected to continue for much of the country.
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Analysis
Why This Matters
- Record-breaking winter heat affects energy demand, public health and infrastructure planning in Australia’s most populous regions.
- The BoM’s spring outlook suggests the warming trend will continue, raising concerns about prolonged heatwaves and heightened bushfire risk.
Background
Australia’s winter (June–August) is typically mild in the south-east, but the 2026 season saw sustained above-average temperatures. The Bureau of Meteorology tracks climate data against long-term averages; these records add to a pattern of warming observed in recent decades across the continent.
Key Perspectives
Residents and local communities: Many face increased electricity bills from air conditioning and concerns about health impacts, especially for vulnerable populations such as the elderly. Bureau of Meteorology: Its spring outlook signals that the above-average temperatures are likely to persist, with a higher chance of unusually high daily maximums across much of Australia. Climate scientists and skeptics: While natural variability plays a role, the simultaneous record-breaking across multiple states aligns with broader warming trends, underscoring the need for adaptation measures.
What to Watch
- Daily temperature readings through September to November for new records during the spring season.
- Bureau of Meteorology updates on fire danger ratings and rainfall forecasts, which moderate the impact of heat.
- Government and utility responses to potential increased demand on the electricity grid during early summer.
Sources
- Sydney records warmest winter on record as Melbourne equals previous hottest temperatures — Australia news | The Guardian
- Sydney records warmest winter on record as Melbourne equals previous hottest temperatures — World news | The Guardian