Balsas, Brazil experiences mild winters with average temperatures ranging from 17°C in June to 18°C in July. Spring months of September and October bring slightly warmer temperatures, averaging around 20-21°C. Summer months are characterized by high temperatures, reaching an average of 25-26°C in January and February. Autumn months see a gradual decrease in temperature, with averages ranging from 22-23°C in March to 18-19°C in May.