Taking the local weather in Rudník u Vrchlabí 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 14°C, while the coldest months are January and February, with an average of -2°C. The snowiest months in Rudník u Vrchlabí are December, November, January and February, with each month seeing an average of 15 cm of snowfall.