How much longer is the sunshine in summer than in winter in Qingdao?

5 hours and 39 minutes. In the northern hemisphere, the direct sunlight in summer is very long, so the daytime in summer is the longest. The main features of Qingdao's summer (June-August) weather and climate are: abnormally high precipitation, normal temperature, less sunshine hours, continuous high precipitation in the season, the number of heavy rains exceeding the historical extreme, and precipitation at several stations exceeding the historical extreme in June.