Brazil Summer Months _verified_ Jun 2026

Brazil is a massive country—larger than the continental USA—so the weather varies drastically by region. "Summer" doesn't look the same everywhere.

Brazil is a continental-sized country, so summer weather varies dramatically by region. brazil summer months

| Aspect | Details | | :--- | :--- | | | December, January, February, early March | | Official Dates | December 21 – March 20 | | Avg. Temperature (Rio) | 26-30°C (79-86°F), but feels hotter with humidity | | Key Holidays | Christmas (Dec 25), New Year’s (Dec 31 – Jan 1), Carnival (Feb/Mar) | | Rainfall | High to very high; afternoon thunderstorms are normal | | Crowds | Extremely high (especially Dec 15 – Jan 15 & Carnival week) | Brazil is a massive country—larger than the continental