The most pleasant months of the year for Walker are June, September and August. In Walker, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Walker with an average high temperature of 84.6°, which ranks it as one of the hottest places in North Dakota. March is the snowiest month in Walker with 8.1 inches of snow, and 8 months of the year have significant snowfall. There are few days during the summer when the humidity becomes unpleasant.