周三起杭城气温缓慢回升

Group 1 - The weather in Hangzhou is expected to change significantly this week, with temperatures dropping below 20°C on Monday and Tuesday due to autumn rain [1] - The lowest temperatures in Hangzhou will reach 12°C to 13°C on Monday and Tuesday, with daytime highs only around 16°C, leading to a noticeable chill [1] - By Wednesday, temperatures are forecasted to gradually rise, reaching around 23°C, as the rain subsides [1] Group 2 - The article emphasizes the importance of considering the minimum temperature when dressing for autumn and winter, rather than just the maximum temperature [2] - A suggested dressing guideline is the "26°C dressing rule," which calculates the total warmth needed based on the day's maximum temperature [2] - For example, if the maximum temperature is 19°C, the recommended total warmth is about 7°C, which can be achieved through a combination of clothing layers [2]