Castro's climate is characterized by mild temperatures throughout the year. In spring (September to November), highs range from 22°C to 24°C and lows from 15°C to 17°C, with moderate humidity levels. Summer months of December to February bring warmer temperatures, with highs around 25-27°C and lows at 19-21°C, accompanied by higher humidity. Autumn sees a slight cooling trend, with highs ranging from 23-25°C and lows from 16-18°C. Winter is the coolest period, with highs around 22-24°C and lows between 14-16°C, marking a slight decrease in temperature compared to spring.