Weather can make or break a road trip, so here's some data about year-round temperatures in Behchoko to help you plan yours: The hottest months are usually July and August, with an average temperature of 13°C, while the coldest months are February and January, with an average of -21°C. The snowiest months in Behchoko are February, March, December and January, with each month seeing an average of 184 cm of snowfall.