Weather will likely play an important role when you plan your trip to Churchill, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually August and July with an average temp of 49°F, while the coldest months are February and January with an average of -6°F. The snowiest months in Churchill are January, April, February, and March, with each month seeing an average of 14 inches of snowfall.