Brazil in October: Weather, Crowds & What to Expect

Season
Shoulder
Temperature
17-30°C (63-86°F)
Crowds
Moderate
Prices
Moderate
October sees rising temperatures and humidity as summer approaches; coastal areas get busier. Interior and Amazon rainfall typically start to pick up toward the end of the month.

Climate Map for October

Brazil average temperature in October
-30°-20°-10° 10°20°30°40°

Average temperature across Brazil in October.

City Weather in October

City High Low Rain UV Feels
São Paulo 24° 14° 135 mm very high Mild
Rio de Janeiro 28° 18° 75 mm very high Mild
Belo Horizonte 28° 16° 121 mm extreme Mild
Salvador 28° 22° 116 mm extreme Warm
Fortaleza 31° 23° 13 mm extreme Warm
Manaus 33° 23° 121 mm very high Hot
Brasília 27° 16° 153 mm extreme Mild

High / low are average daily temperatures (°C). “Feels” reflects how hot or cold it feels, allowing for humidity.

Amazon & The North (Manaus, Belém, Alter do Chão)

October marks the beginning of the rainy season’s return; showers become more frequent, particularly in the eastern Amazon near Belém, and afternoon thunderstorms reappear. Some of the smaller tributaries begin to rise again and ferries to islands may run on altered timetables, so keep travel plans flexible. Lightweight rain gear and waterproof bags for electronics are important, and mosquitoes start to increase again with the added moisture.

Northeast Coast (Salvador, Recife, Fortaleza, Jericoacoara)

October often feels like late spring - hotter days and rising humidity along the coast, especially around Salvador where early rains can begin to return. Fortaleza remains one of the more reliable seaside choices with steady winds and warm sea temperatures, attracting water-sport enthusiasts. Travel becomes easier inland as roads dry after the Sertão rains, but for beach hopping carry a lightweight waterproof just in case.

Northeast Interior - The Sertão & Chapadas (Petrolina, Juazeiro, Chapada Diamantina)

October often brings the onset of more regular rains and thunderstorms in the highlands and some parts of the sertão - waterfalls come into their full season and remote canyons start to refill. Roads in smaller towns can become slippery and local jeep transfers may be affected, but the reward is greener scenery and fuller pools for swimming. Bring waterproof footwear and allow extra travel time between villages.

Central-West (Brasília, Pantanal, Cuiabá, Bonito)

October starts to warm noticeably and humidity creeps up late in the month; isolated showers may appear, but the real wet-season return is still a few weeks off. The dry, dusty plains of the Pantanal show early green shoots and bird migration activity increases. This month suits adventurous overland trips and fewer crowds compared to peak-dry season wildlife tourism.

Southeast (Rio de Janeiro, São Paulo, Ouro Preto, Paraty)

October warms further with spring-like humidity returning; afternoon thunderstorms are more common particularly inland and in the Serra do Mar. Rio’s beaches become more appealing and mountain trails see renewed green growth after winter; tourist numbers rise as Brazilians travel pre-summer. Pack a light rain jacket for sudden downpours and book weekend excursions in advance.

The South (Florianópolis, Curitiba, Gramado, Foz do Iguaçu)

October warms further with more sunshine and growing humidity; beachgoers return to Florianópolis and weekend traffic increases on coastal routes. Foz do Iguaçu experiences strong water flows and excellent visibility for viewing falls on clear days, while inland towns enjoy blossoming gardens. Travelers should plan for variable conditions-sunny mornings, possible afternoon storms-and keep hydrated during longer outdoor activities.

Events & Festivals in October

There are no major festivals or events in Brazil during October to be aware of.