The best time to go to Santa Ana, Misiones Province, Argentina, is during the shoulder seasons of autumn (March to May) and spring (September to November).During these months, the weather is pleasantly warm and less humid than the summer peak, with average temperatures ranging from 20°C to 28°C. This makes exploring the Jesuit Ruins and the surrounding natural beauty much more comfortable. You'll also find fewer crowds compared to the high summer season, allowing for a more relaxed experience at popular sites.Winter (June to August) is also a good option, especially if you prefer cooler temperatures. Days are generally sunny and dry, with average temperatures around 15°C to 22°C. While evenings can be chilly, it's an excellent time for hiking and outdoor activities without the intensity of summer heat.Summer (December to February) can be very hot and humid, with temperatures often exceeding 30°C, accompanied by frequent thunderstorms.