The most pleasant months of the year for the 66506 zip code are May, September and June. In the 66506 zip code, there are 3 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for the 66506 zip code with an average high temperature of 90.2°, which ranks it as cooler than most places in Kansas. February is the snowiest month in the 66506 zip code with 3.9 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.