The most pleasant months of the year for Calhoun are September, May and June. In Calhoun, there are 3 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Calhoun with an average high temperature of 91.0°, which ranks it as about average compared to other places in Kansas. January is the snowiest month in Calhoun with 5.4 inches of snow, and 7 months of the year have significant snowfall. There are few days during the summer when the humidity becomes unpleasant.