Prevailing in Serbia is the moderate continental climate with more or less pronounced local characteristics, and with significant influence of nearby geographic regions such as the Alps, Mediterranean Sea and Genoa Bay, Pannonia planes and valley of the Morava River, Carpathians and Rodopi Mountains. The largest part of the Serbian territory belongs to the moderate climate region, while the southwestern part is on the border line of Mediterranean sub-tropic and continental climate areas.
The average annual air temperature in the areas with the altitude up to 300 meters is 11 degrees centigrade, in the mountainous regions over 1,000 meters its around 6 degrees, and at altitudes over 1,500 meters around 3 degrees. The autumn is warmer than the spring. The coldest month is January with the average temperature from -6 degrees in the mountains to 0 in the plains. The warmest month is July with the average temperatures in the range 11-22 degrees. The highest temperature ever, of 44.9 degrees, was measured in Smederevska Palanka in 2007, and the lowest -39.5 degrees was measured in the Pester heights in 1985. The larger part of Serbia has the continental rainfall regime, with greater amount during the warmer half of the year, except in the southwestern regions, where most rainfall is measures in the autumn. The wettest month is June, when 12-13% of the total annual amount of rain falls. The driest months are February and October. The normal annual amount of rainfall for the entire country is 896mm.
It shows from November to March, and sometimes in April and October, while in the mountains over 1,000 meters the show could stay the year round. The greatest number of snowy days is in January. The Sun shines over Serbia from 1,500 to 2,200 hours annually, and most frequent wind is kosava. It blows from the southeast, mostly in the autumn and winter, bringing clear and dry weather. The average atmospheric pressure in Belgrade is 1,001 millibar, and relative humidity 69.5%.