Best time to visit Southern Brazil & Iguazú

The best time to visit Southern Brazil & Iguazú is April, July, August and November, judged across 6 places; January is its weakest month.

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Updated September 2026 · Latin America & the Caribbean · 6 places, each judged for what it is · climate normals from ERA5 reanalysis

Southern Brazil & Iguazú month by month

Month	Season	Why	Best places
January	good	31°C highs · 11 h sun	Gramado, Florianópolis, Curitiba
February	good	Carnival · 31°C highs · 11 h sun	Gramado, Florianópolis, Curitiba
March	good	Carnival · 29°C highs · 9 h sun	Florianópolis, Gramado, Curitiba
April	in season	27°C highs	Curitiba, Gramado, Florianópolis
May	good	23°C highs	Curitiba, Porto Alegre, Florianópolis
June	good	the humidity has gone · 21°C highs	Curitiba, Foz do Iguaçu, Puerto Iguazú
July	in season	dry season · the humidity has gone · 21°C highs	Foz do Iguaçu, Puerto Iguazú, Curitiba
August	in season	the humidity has gone · 22°C highs	Porto Alegre, Curitiba, Foz do Iguaçu
September	good	the humidity has gone · 24°C highs	Curitiba, Porto Alegre, Florianópolis
October	good	food & drink festival · 25°C highs	Porto Alegre, Gramado, Curitiba
November	in season	27°C highs · 10 h sun	Curitiba, Gramado, Florianópolis
December	good	29°C highs · 11 h sun	Gramado, Florianópolis, Curitiba

In season: one of the region's three best months, and good in its own right. Low season: one of its three worst, and well below its best. The reasons compare each month with the region's own year and name the seasons on the ground — monsoon, autumn colour, hurricanes — where most of its places share them.

All 6 places in Southern Brazil & Iguazú

Southern Brazil & Iguazú — FAQ

When is the best time to visit Southern Brazil & Iguazú?: April, July, August and November. In July: dry season · the humidity has gone · 21°C highs.
When is the low season in Southern Brazil & Iguazú?: Southern Brazil & Iguazú has no month that falls far below the rest of its year; January is the weakest (31°C highs · 11 h sun).
Which months are in season in Southern Brazil & Iguazú?: April, July, August and November — the months among its best that are also good in their own right.