Weather will likely play an important role when you plan your trip to Erskine, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and August, with an average temperature of 19°C, while the coldest months are January and February, with an average of -9°C. The snowiest months in Erskine are April, March, February and December, with each month seeing an average of 31 cm of snowfall.