April and May 2014 saw record rain (over 420 mm) in the northern part of the country, which caused disastrous floods in the catchment area of the Vrbas and Bosna Rivers, as well as in the area of Semberija. These extreme climate and weather episodes have caused substantial material and financial deficits, as well as casualties. In the same time series, trends in annual temperatures on all analysed stations are statistically significant, while the changes are more pronounced in the continental part of the country. However, increases in air temperature over the last 14 years are even more pronounced. The increase in temperature, in addition to increases in GHG emissions, is caused by a more pronounced effect of the urban heat island. Differences between the reference period 1961-1990 and the period 1981-2010 range from 1.9°C in Sarajevo to 0.8°C in Tuzla.