Plan your trip to the beach with a look at year-round temperatures in Hora Svaté Kateřiny: The hottest months are usually July and August, with an average temperature of 17°C, while the coldest months are January and February, with an average of 0°C. The snowiest months in Hora Svaté Kateřiny are December, November, January and February, with each month seeing an average of 32 cm of snowfall.