The most pleasant months of the year for McAdoo are May, September and October. In McAdoo, there are 3 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for McAdoo with an average high temperature of 92.8°, which ranks it as warmer than most places in Kansas. January is the snowiest month in McAdoo with 3.7 inches of snow, and 5 months of the year have significant snowfall. July is the most humid month, though humidity is low for most of the year.