Mairinque's climate is mild, with temperatures ranging from around 1°C in the coldest months to over 33°C during the warmer periods. The winter months of June and July are the coolest, with average temperatures barely above freezing. Spring and autumn bring moderate temperatures, while summer months see a significant increase in heat. There are no extreme cold snaps or prolonged hot spells throughout the year, resulting in a relatively stable climate. Overall, the temperature fluctuations are gradual, making Mairinque's climate one of mild oscillations between cool and warm periods.