Planning for the weather is an important factor for making your trip to Szklarska Poreba a success, especially when you’re splurging. 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 Szklarska Poreba are December, November, January and February, with each month seeing an average of 15 cm of snowfall.