The best time to visit Treby Stare, Greater Poland Voivodeship, Poland is during the late spring (May-June) or early autumn (September-October) for pleasant weather and fewer crowds.May and June offer mild temperatures, typically ranging from 15°C to 22°C, making it ideal for exploring the natural beauty of the region and engaging in outdoor activities. The countryside is lush, and daylight hours are long, great for leisurely strolls or cycling around the Great Poland National Park, which is easily accessible from Treby Stare. This period is particularly good for families looking to enjoy nature without the intense summer heat.September and October bring a beautiful display of autumn colours, with temperatures comfortably between 10°C and 18°C. This time of year sees fewer tourists, allowing for a more relaxed experience when visiting local attractions like the Treby Stare Palace or nearby historical sites.