Taking the local weather in Veľká Tŕňa 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 20°C, while the coldest months are January and February, with an average of 1°C. The snowiest months in Veľká Tŕňa are November, December, January and April, with each month seeing an average of 15 cm of snowfall.