Taking the local weather in Ulan-Ude into account can help you maximise your time at the pool during your trip. The hottest months are usually July and June, with an average temperature of 16°C, while the coldest months are January and February, with an average of -17°C. The snowiest months in Ulan-Ude are December, February, November and January, with each month seeing an average of 35 cm of snowfall.