I went there when it`s  March International Economy & Trade Tourist Festival of Yangzhou, the weather was so nice, and the strong local culture, the whole city was nice too, it`s just like a big garden.
Here is a poem about Yangzhou " 烟花三月下扬州"， that means the best season to go to Yangzhou is March, i think it`s time to get ready for a trip now.....