The best time to go to Olivia, Minnesota, is during the summer months, from June to August, when the weather is warm and sunny, superb for enjoying outdoor activities.During these months, you'll find average temperatures ranging from 20°C to 28°C, with plenty of daylight hours. This period is ideal for exploring the local parks, visiting the Olivia Aquatic Center, or attending community events. The surrounding Renville County also offers opportunities for fishing and hiking, which are best enjoyed in pleasant weather.Families will particularly appreciate visiting in summer. The warm weather makes it comfortable for children to play outdoors and enjoy the local amenities. Many of the town's activities, such as the annual Corn Capital Days festival in late July, are scheduled during this time, providing entertainment for all ages.While summer is generally the most popular, early autumn in September can also be a lovely time to visit.