In Bilecik, which has an altitude of 500 m, micro-climate zones are seen in the Sakarya River coastline of Gölpazarı, Osmaneli and Söğüt districts. Rainfall mostly falls in January and May. Depending on these climate characteristics, agriculture and livestock have an important place in Bilecik.

Natural structure and eco systems are suitable for fruit growing in Bilecik and production varies due to the local diversity of soil and climate structure in the province. Vegetable production in Bilecik is intensively carried out in the Sakarya basin. Microclimate characteristics are seen in Sakarya valley. It is possible to grow most of the products grown throughout the country in the province, and the yield of most of the products grown is above or at the level of the national average. In Bilecik, which has the production of qualified products such as hops, pomegranates, cherries, tomatoes, watermelons, quinces, olives and peaches, greenhouse production activities have also shown significant development potential in recent years. In addition, there is significant production potential in areas such as poultry, beekeeping and silkworm farming in the province.