The climate in Cotia, Brazil is mild with distinct seasonal patterns. Winters are cool and temperate, with temperatures ranging from around 1-9°C from June to August, but can occasionally drop as low as -2°C in July. Spring and autumn months bring mild temperatures, averaging between 16-23°C from March to May and September to November, while summers are warm, with highs often reaching up to 33-37°C from December to February and September.