Taking the local weather in Humber Arm South 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 August and July, with an average temperature of 14°C, while the coldest months are February and January, with an average of -5°C. The snowiest months in Humber Arm South are February, December, January and March, with each month seeing an average of 23 cm of snowfall.