The best time to go to Penkun is during the late spring, summer, or early autumn months, specifically from May to September, when the weather is most favorable for outdoor activities and sightseeing.During these months, you can expect mild to warm temperatures and generally less rainfall, making it ideal for exploring the Penkun Castle and its surrounding park. These conditions are also superb for enjoying the tranquility of the nearby lakes and countryside, whether you're interested in walking, cycling, or simply relaxing by the water.Couples looking for a peaceful getaway will find the summer months particularly appealing.