Taking the local weather in Petrovice into account is an important factor for planning your visit, especially if you plan to spend your trip by the pool. The hottest months are usually August and July, 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 Petrovice are December, November, January and February, with each month seeing an average of 18 cm of snowfall.