Climate averages 1991–2020

Weather in Brazil.

ClimaNote covers 448 cities in Brazil, starting with São Paulo, Rio de Janeiro and Belo Horizonte. Open a city for charts and a table of all 12 months, or open a month for a side-by-side comparison of cities in the atlas.

Across these cities the yearly average high ranges from 20.1°C in Rio Grande to 33.5°C in Patos, and yearly rainfall from 288 mm in Paulo Afonso to 3,244 mm in Manacapuru. The hottest city-month is October in Teresina, with an average high of 36.9°C, and the coolest is July in Rio Grande, at 15.0°C. By single month, the most rain falls in March in Ananindeua, with 511 mm (tied with March in Marituba and March in Santa Isabel do Pará), and the least in July in Gurupi, with under 1 mm.

February is the warmest month in 144 cities, October in 88, September in 60, January in 42, December in 32, August in 7, November in 6 and March in 5 (in 64 other cities two or more months tie); July is the coolest in 185 cities, June in 145, April in 26, March in 12, January in 10, May in 8, February in 7 and August in 3 (in 52 other cities two or more months tie). January is the wettest month in 204 cities, December in 74, March in 60, October in 34, April in 24, June in 17, November in 17, May in 11, February in 2 and September in 1 (in 4 other cities two or more months tie); July is the driest in 142 cities, August in 142, September in 52, April in 30, June in 17, November in 16, December in 10, October in 9, February in 2, March in 2 and May in 2 (in 24 other cities two or more months tie). Of these cities, 37 have a month with under 1 mm of rain and 63 have a month with more than 300 mm of rain; none has a month with an average high below 2.0°C.