Taking the local weather in Vulcan into account is an important factor for planning your visit, especially if you plan to spend your trip by the pool. The hottest months are usually July and August, with an average temperature of 18°C, while the coldest months are February and January, with an average of -6°C. The snowiest months in Vulcan are January, March, May and April, with each month seeing an average of 15 cm of snowfall.