Deciduous oak Quercus forests cover the lower slopes, with submontane forests of Quercus, Carpinus, Fagus, and karst scrub at higher altitudes. The area is 70% forest, 5% scrubland, 10% grassland, and 15% artificial landscapes. Yearly sunshine duration is around 1,980 hours. The average annual temperature above the height of 350 meters is 9.5 C (in January -2,8 C). The average annual precipitation is 640 millimeters.