Taking the local weather in Heřmanice u Oder into account can help you maximise your time at the pool during your trip. The hottest months are usually August and July, with an average temperature of 18°C, while the coldest months are January and February, with an average of 1°C. The snowiest months in Heřmanice u Oder are December, January, November and February, with each month seeing an average of 25 cm of snowfall.