And then there’s the unique Australian tradition: many people mark the start of winter with an unofficial holiday known as (the King’s Birthday public holiday, which falls in early to mid-June). For countless families, that long weekend—with its camping trips and cozy fires—has become the real, emotional start of the chilly season.
For most practical purposes—weather forecasting, climate records, and agricultural planning—Australia’s winter runs from . This is the definition used by the Bureau of Meteorology (BOM). Meteorologists prefer consistent, three-month blocks based on the annual temperature cycle. For them, winter is simply the three coldest months of the year: June, July, and August. when does winter start in australia
If you prefer a more celestial marker, winter begins on the —the shortest day and longest night of the year. In the Southern Hemisphere, this usually occurs on June 21 (or sometimes June 20 or 22). And then there’s the unique Australian tradition: many
So, when does winter actually start Down Under? This is the definition used by the Bureau