Taking the local weather in Chetwynd into account is an important factor for planning your visit, especially if you plan to spend your trip by the pool. The hottest months are usually July and August, with an average temperature of 14°C, while the coldest months are December and February, with an average of -9°C. The snowiest months in Chetwynd are January, February, November and December, with each month seeing an average of 22 cm of snowfall.