The most pleasant months of the year for Round Top are June, August and July. In Round Top, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Round Top with an average high temperature of 82.4°, which ranks it as warmer than most places in North Dakota. January is the snowiest month in Round Top with 9.8 inches of snow, and 7 months of the year have significant snowfall. There are few days during the summer when the humidity becomes unpleasant.