Other facts from our historical weather data: When is summer in Mineralni Bani?The hottest season / summer takes place in June, July, August and September. Which is the warmest month in Mineralni Bani? August has an average maximum temperature of 31°C (88°F) and is the warmest month of the year. Which is the coldest month in Mineralni Bani? The coldest month is January with an average maximum temperature of 7°C (45°F). Which is the wettest month in Mineralni Bani? May tops the wettest month list with 76mm (3 in) of rainfall. Which is the driest month in Mineralni Bani? August is the driest month with 36mm (1.4 in) of precipitation. Which is the sunniest month in Mineralni Bani? July is the sunniest month with an average of 325 hours of sunshine. No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.