Date [hot] | When Does Summer Start In Southern Hemisphere Brazil Summer Start

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:

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) While scientists often use December 1 to make

December 1, 2026. Meteorologists often use full months to group seasons, defining summer as December, January, and February. defining summer as December

Here is a detailed breakdown of how the seasons work in the Southern Hemisphere. While scientists often use December 1 to make