Weather will likely play an important role when you plan your trip to Băile Balvanyos, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually August and July, with an average temperature of 16°C, while the coldest months are January and February, with an average of -2°C. The snowiest months in Băile Balvanyos are April, January, December and November, with each month seeing an average of 16 cm of snowfall.