Montenegro, Brazil experiences a mild climate with distinct seasonal variations. Winter is cool and mild, with temperatures ranging from 0-12°C in May-July, making it the coolest period of the year. Spring arrives in August, bringing warm days up to 35°C and gentle nights around 16°C. Autumn is similar to spring, with comfortable temperatures from September to November. Summer months from December to April are warm to hot, with temperatures often reaching above 30°C, but still pleasant due to the coastal location.