When Does Summer Start In Southern Hemisphere Brazil Summer Start Date

To wrap it up:

The best time to visit Brazil: a complete month-by-month guide To wrap it up: The best time to

While scientists often use December 1 to make data tracking easier, the Brazilian public and media generally observe the solstice date (around Dec 21) as the official start. Climate & Weather: For 2026 , the summer solstice in Brazil

In the Southern Hemisphere, summer officially starts on the (between December 20–23). By the time December 1st rolls around, most

Astronomically, summer in Brazil and the rest of the Southern Hemisphere officially begins on the , which typically falls on December 21 or 22 each year. For 2026 , the summer solstice in Brazil occurs on Monday, December 21, at 5:50 p.m. BRT . Key Summer Dates in Brazil (2026–2027)

Due to Brazil’s proximity to the Equator and its tropical climate, the weather starts heating up significantly as early as late October or early November. By the time December 1st rolls around, most of the country is already experiencing peak summer conditions: