Falling into the subtropical continental monsoon climate, Shiyan boasts abundant photo-thermal sources, with annual sunshine duration being 1,655 to 1,958 hour, and the frost-free period lasting 224 to 255 days. With respect to the annual precipitation, it can reach 800 millimeters on average.
In summer, the temperature usually is above 25 ℃, and in June the temperature is around 27℃. Besides, the raindrop is some 100 millimeters. In winter, it is warmer than any other areas of the same latitude. And the best time visit Shiyan is spring and autumn.