Core Viewpoint - The arrival of the "Beginning of Autumn" (立秋) marks a transition in weather patterns in Heilongjiang Province, with cooler temperatures expected compared to the previous hot summer season [1]. Weather Forecast - On the "Beginning of Autumn" (August 7), areas such as northern Daxing'anling, eastern Harbin, Hegang, western Shuangyashan, Qitaihe, Jixi, and Mudanjiang are expected to experience cloudy weather with possible showers or thunderstorms, while other regions will be mostly sunny with occasional clouds [2]. Temperature Statistics - Daytime maximum temperatures on the "Beginning of Autumn" are forecasted to be between 26°C to 28°C in Daxing'anling, western Heihe, Qiqihar, and Daqing, while other areas will see temperatures ranging from 24°C to 26°C. Nighttime minimum temperatures are expected to be between 12°C to 14°C in Daxing'anling, Heihe, and northern Yichun, and 15°C to 17°C in other regions [3]. Seasonal Transition Data - Historical data indicates that certain cities in Heilongjiang typically enter autumn before the "Beginning of Autumn," while others transition into autumn shortly after this date. Cities like Qiqihar, Daqing, Mudanjiang, and Harbin usually experience the onset of true autumn between August 14 and 18 [3].

Group 1 - The weather in Suzhou has not experienced high temperatures since the beginning of summer, with the highest temperature expected to be around 34°C from August 4 to 6 [1] - The arrival of the solar term "Liqiu" (Beginning of Autumn) does not indicate an immediate cooling, as the southern regions of China are still experiencing significant heat [1] - The average temperature during the "Liqiu" period (August 7 to 23) is 28.7°C, which is 1.5°C lower than the "Dazhu" (Major Heat) period, and similar to the "Xiaozhu" (Minor Heat) period [1] Group 2 - Suzhou typically sees a decrease in average temperature in August compared to July, but high-temperature days are still common [2] - In 2022 and 2023, Suzhou recorded 51 and 40 high-temperature days respectively in August, with a significant portion occurring after the "Liqiu" solar term [2] - The extreme highest temperature recorded in Suzhou was 41.0°C on August 7, 2013, indicating the potential for extreme heat events even in late summer [2]