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Brazil Weather
While 90 percent of the country lies within the tropical zone, over 60 percent of the population of Brazil lives in areas where altitude or sea winds moderate the temperature. The geographical location of Brazil is reflected in its climatic diversity; the northern region is on the Equator and the southern region is below the Tropic of Capricorn. One can basically define five different climatic regions throughout the country: equatorial, tropical, semi arid, highland tropical, and subtropical. Temperatures range from very hot and dry in the northeast, humid and wet in the Amazon, to snow in some extreme cases in the southwest interior of Brazil. In general, most of Brazil can be visited comfortably throughout the year; it’s only the south - which can be unbearably sticky in summer (December-February) and chilly in winter (June-August) - that has large seasonal changes. The rest of the country experiences brief tropical rains throughout the year which rarely affect travel plans. Below are more detailled descriptions of the climates one can expect to encounter while traveling in Brazil.
Amazon
Contrary to popular belief that the Amazon is blistering hot, the average annual temperature is around 25°C (77°F) and rarely exceeds 32°C (90°F), with little variation throughout the year. Humidity can be high and heavy rains can occur depending on the season. This area is the rainiest and most humid in Brazil.
Pantanal
The Pantanal has two distinct seasons: the rainy season (December to March) and the dry season (July to October). Temperatures range from very hot and humid to 10°C (50°F) in winter (June to August).
Iguazu Falls
The climate is humid subtropical with over 1700mm of annual rainfall and no dry season. Relative humidity is between 80-90%. Annual mean temperature of 21°C (70°F) which decreases to 19°C (66°F) above about 500m.
Bahia
Temperatures in Bahia vary according to whether you’re on the coast or inland, but it is sunny and warm almost all year round. On the coast it rarely drops below 24°C (75°F), however, in the inland areas such as Chapada Diamantina, evenings are chilly and warm clothes are required. There is a distinct rainy season from May to September. Occasionally cold fronts from the south follow the coast up to the northeast and the weather can suddenly change and the temperature drops.
Rio de Janeiro
Temperatures in summer reach up to 40°C (104°F) with high rains and humidity. In winter it rarely gets colder then 18°C (64°F). In areas close to the mountains, such as Paraty for example, temperatures are much cooler and there is less of a dry season. Cold fronts sometimes occur. |
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