The wet season in the three northeastern provinces
May-10 month. Official website, the Water Conservancy Bureau has learned that the flood season in Heilongjiang, Jilin and Liaoning provinces is May-September, 6- 10, 5- 10 respectively, so the flood season in the three northeastern provinces is 5- 10. The rainy season refers to the period when the river flow mainly depends on rainfall or snow melting, usually in the rainy season or the period when the temperature continues to rise in spring.