That is the magical date. The day we remember the troops, play two-up, and eat a sausage roll. After April 25, the sun stops trying to kill you. The nights get crispy. The jacarandas start to bloom.
Until then? Keep the sunscreen on. The barbie isn’t finished yet.
, which divides the year into four three-month blocks based on temperature cycles. NOAA (.gov) +5 Seasonal Transition Summary The table below outlines the transition from summer into the subsequent seasons for 2026. Season Start Date End Date Transition Event Summer December 1, 2025 February 28, 2026 End of peak heat; start of autumn harvest Autumn March 1, 2026 May 31, 2026 Cooling temperatures; leaves changing color Winter June 1, 2026 August 31, 2026 Coldest period; start of ski season in south Spring September 1, 2026 November 30, 2026 Wildflower blooming; rising UV intensity Regional Differences While the southern two-thirds of the continent follow the four-season model, northern Australia operates on a different cycle: Wikipedia +1 13 sites Australia's seasons So if you're chasing an endless summer, just head Down Under as things start to cool off in the Northern Hemisphere. * Summer: Dec... Tourism Australia
If you are packing for a trip to Sydney or Brisbane in , do not pack winter coats. Pack summer clothes and one hoodie for the air conditioning. when is summer over in australia
While the calendar flips on March 1st, the heat often lingers. In southern cities like and Melbourne , March can still produce "summer-like" days with temperatures reaching into the 30s°C. Meteorological vs. Astronomical Summer
Let’s break down the three different “ends” of summer in Australia.
You can’t talk about “Australian summer” without looking at the map. That is the magical date
In Australia , summer officially ends on the last day of . Unlike many northern hemisphere countries that wait for the March equinox, Australia follows a meteorological calendar where seasons begin on the first day of the month. The Official Transition: March 1st
In the southern hemisphere, seasons are traditionally grouped by full calendar months: December 1 to February 28/29 Autumn: March 1 to May 31 Winter: June 1 to August 31 Spring: September 1 to November 30 🌦️ Regional Variations
The only real sign that summer is ending? The nights get slightly less sticky. The sun sets before 7:00 PM. But the beach? Still packed. The nights get crispy
In the Australian system, the summer season is strictly defined as December, January, and February. February 28 (or February 29 in a leap year). Autumn Start: March 1.
Meteorologically and astronomically speaking, summer runs from December 1 to February 28. Simple, right?