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 temp of 62°F, while the coldest months are January and February with an average of 32°F. The snowiest months in Szklarska Poreba are December, November, January, and February, with each month seeing an average of 6 inches of snowfall.