Rio de Janeiro's outlook: warmest day near 90° (Thursday), coldest night about 66° (Monday). Roughly 0.19 in of rain falls over the period, with Monday the most likely wet day (78%). Right now Rio de Janeiro is running about 4° warmer than São Paulo. Longer view: a tropical climate — warm all year, with the calendar split into wet and dry rather than hot and cold.
Rio de Janeiro, Brazil · 22.91°S, 43.17°W · America/Sao_Paulo · Forecast computed for these exact coordinates