The best time to visit Nymburk is from late spring to early autumn, specifically from May to September, when the weather is most pleasant for outdoor activities and exploring.During these months, you can expect warm, generally sunny weather, making it ideal for walking along the Elbe River, cycling the local trails, or enjoying the town's historical sites. The average temperatures range from 18°C to 25°C, providing comfortable conditions without being excessively hot.For those who enjoy cultural events, the summer months often feature local festivals and markets, offering a chance to experience Czech traditions. This period is particularly good for families looking to spend time outdoors, as the parks and riverfront are at their most inviting.If you prefer fewer crowds and slightly cooler temperatures, late May and early June, or September, are excellent choices.