Although situated close to the Mediterranean Sea, Bosnia and Herzegovina is largely cut off from its climatic influence by the Dinaric Alps.
The weather in the Bosnia region resembles that of the southern Austrian highlands—generally mild, though apt to be bitterly cold in winter.
Climate of Bosnia and Herzegovina
11/10/2019
In Banja Luka the coldest month is January, with an average temperature of about 32 °F (0 °C), and the warmest month is July, which averages about 72 °F (22 °C).
During January and February Banja Luka receives the least amount of precipitation, and in May and June it experiences the heaviest rainfall.