Weather will likely play an important role when you plan your trip to Liverpool, and keep 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 temp of 62°F, while the coldest months are February and January with an average of 29°F. The snowiest months in Liverpool are February, January, December, and March, with each month seeing an average of 13 inches of snowfall.