Taking the local weather in Sankt Martin-Karlsbach 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 16°C, while the coldest months are January and February, with an average of 0°C. The snowiest months in Sankt Martin-Karlsbach are December, January, November and February, with each month seeing an average of 15 cm of snowfall.