Weather is probably a major factor when you plan your trip to St. Christoph, 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 50°F, while the coldest months are January and February with an average of 22°F. The snowiest months in St. Christoph are April, May, November, and January, with each month seeing an average of 5 inches of snowfall.