The most pleasant months of the year for Summit are September, May and June. In Summit, there are 3 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Summit with an average high temperature of 90.8°, which ranks it as about average compared to other places in Kansas. January is the snowiest month in Summit with 4.7 inches of snow, and 6 months of the year have significant snowfall. July is the most humid month, though humidity is low for most of the year.