Euclides da Cunha's climate is characterized by mild winters and warm summers. From May to August, temperatures range from 15-30°C, with averages around 21-23°C, marking the coolest period of the year. As autumn approaches in September, temperatures begin to rise, reaching up to 37°C, before stabilizing at a consistent average throughout spring and summer months (September to February), oscillating between 24-27°C. The warmest months are January and February, with averages around 26-27°C.