Petrolina, Brazil experiences a hot and humid climate throughout the year. Spring is warm with temperatures ranging from 17-41°C, while summer months bring even higher highs of up to 42°C. Autumn sees a slight decrease in temperature, but still reaches highs of 38°C. Winter is mild, with temperatures rarely dropping below 17°C. The hottest month on average is May, with an average high temperature of 26°C, while the coolest month is July, averaging 25°C.