Taking the local weather in Ust’-Slavyanka into account can help you maximise your time at the pool during your trip. The hottest months are usually July and August, with an average temperature of 15°C, while the coldest months are January and February, with an average of -4°C. The snowiest months in Ust’-Slavyanka are February, January, December and November, with each month seeing an average of 132 cm of snowfall.