The best time to visit Ciudad del Este is during the dry season, which runs from May to September. During this time, the weather is pleasant. And there is less rainfall, making it an ideal time to explore the city’s many outdoor attractions. Such as the Itaipu Dam and the Acaray Park. The temperatures during this period are also milder. With average highs in the mid-20s °C (70-80°F) and lows in the low to mid-teens °C (50-60°F). However, it is worth noting that Ciudad del Este can be visited year-round. As it has a warm and humid climate with temperatures averaging around 30°C (86°F) throughout the year.