When Does Summer Start In Southern Hemisphere Brazil Summer Start Date Better -

In the Southern Hemisphere, summer officially starts on the (between December 20–23).

For , summer 2025–2026 begins on: December 21, 2025 (most years, though occasionally December 22 depending on the year and time zone). In the Southern Hemisphere, summer officially starts on

If you meant (end of year), the same December solstice applies. In the Southern Hemisphere