The formation of climate in Azerbaijan is influenced particularly by cold arctic air masses of Scandinavian anticyclone, temperate of Siberian anticyclone, and Central Asian anticyclone. Azerbaijan's diverse landscape affects the ways air masses enter the country. The Greater Caucasus protects the country from direct influences of cold air masses coming from the north. That leads to the formation ofsubtropical climate on most foothills and plains of the country. Meanwhile, plains and foothills are characterized by high solar radiation rates.
Nine out of 11 existing climate zones are present in Azerbaijan. Both the absolute minimum temperature ( −33 °C or −27.4 °F ) and the absolute maximum temperature ( 46 °C or 114.8 °F ) were observed in Julfa and Ordubad. The maximum annual precipitation falls in Lankaran (1,600 to 1,800 mm or 63 to 71 in) and the minimum in Absheron (200 to 350 mm or 7.9 to 13.8 in).