Weather can make or break a road trip, so here's some data about year-round temperatures in Prassi to help you plan yours: The hottest months are usually July and August, with an average temperature of 16°C, while the coldest months are February and January, with an average of 0°C. The snowiest months in Prassi are December, January, November and April, with each month seeing an average of 19 cm of snowfall.