The best time to go to San Antonio Oeste is during the warmer months, specifically from December to March, to fully enjoy the coastal activities and pleasant weather.
During these months, the temperatures are ideal for spending time at the beach, swimming, and engaging in water sports. The days are long and sunny, making it superb for exploring the natural beauty of the region, including the nearby Las Grutas, which is famous for its warm waters.
Couples looking for a relaxing beach holiday will find this period particularly appealing. The warm weather allows for romantic strolls along the coast and enjoying meals at outdoor restaurants.