Weather can make or break a road trip, so here's some data about year-round temperatures in Arbela to help you plan yours: The hottest months are usually July and August, with an average temperature of 23°C, while the coldest months are January and February, with an average of 0°C. The snowiest months in Arbela are January, December, November and February, with each month seeing an average of 15 cm of snowfall.