Weather is probably a major factor when you plan your trip to Bayanaul, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and June, with an average temperature of 18°C, while the coldest months are January and February, with an average of -11°C. The snowiest months in Bayanaul are February, March, January and April, with each month seeing an average of 98 cm of snowfall.