If you’re looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in Dawson City: The hottest months are usually July and June, with an average temperature of 13°C, while the coldest months are January and December, with an average of -20°C. The snowiest months in Dawson City are December, November, October and March, with each month seeing an average of 24 cm of snowfall.