Taking the local weather in Upper Island Cove into account can help you maximise your time at the pool during your trip. 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 -1°C. The snowiest months in Upper Island Cove are March, February, January and December, with each month seeing an average of 77 cm of snowfall.