Weather is probably a major factor when you plan your trip to Rybnik, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually August and July, with an average temperature of 19°C, while the coldest months are January and February, with an average of 1°C. The snowiest months in Rybnik are December, January, November and February, with each month seeing an average of 25 cm of snowfall.