Taking the local weather in Bjällum 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 15°C, while the coldest months are February and January, with an average of -1°C. The snowiest months in Bjällum are December, January, February and April, with each month seeing an average of 32 cm of snowfall.