Mountain Climate  Bulgarian Climate  Mountains		Mountain Climate The mountainous climatic region covers the mountain parts at altitudes above 900-1,000 m. Temperatures decrease with height, whilst snowfalls increase. The snow cover stays put for five to six months and is over 1.5 m thick. The average January temperatures on the high mountain peaks reach up to -20°C and are around -5°C in the valleys and ski resorts. Average summer temperatures vary between 14°C and 19°C. There are about 250 sunny days a year. The air is crystal-clear and fragrant with the smell of pines. There is no aerosol pollution and the atmosphere abounds in ultraviolet rays.

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