The most pleasant months of the year for Plainview are May, September and October. In Plainview, there are 2 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Plainview with an average high temperature of 93.1°, which ranks it as one of the hottest places in Kansas. February is the snowiest month in Plainview with 4.3 inches of snow, and 7 months of the year have significant snowfall. July is the most humid month, though humidity is low for most of the year.