For most visitors, the best time to go to St. Paul is during the summer months, from June to August, or in the early fall, particularly September.Summer in St. Paul offers pleasant weather, with average temperatures in the 70s Fahrenheit, making it ideal for outdoor activities and exploring the city's parks and riverfront. This season is superb for families, as many local attractions like the Como Park Zoo and Conservatory are in full swing, and events such as the Minnesota State Fair (late August/early September) provide entertainment for all ages.Early fall, especially September, brings comfortable temperatures, fewer crowds, and the beauty of changing leaves.