The most pleasant months of the year for Antelope are June, July and August. In Antelope, there are 4 comfortable months with high temperatures in the range of 70-85°. August is the hottest month for Antelope with an average high temperature of 83.2°, which ranks it as cooler than most places in Montana. January is the snowiest month in Antelope with 6.1 inches of snow, and 8 months of the year have significant snowfall. There are few days during the summer when the humidity becomes unpleasant.