The most pleasant months of the year for the 38505 zip code are May, September and October. In the 38505 zip code, there are 5 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for the 38505 zip code with an average high temperature of 87.7°, which ranks it as cooler than most places in Tennessee. February is the snowiest month in the 38505 zip code with 2.3 inches of snow, and 4 months of the year have significant snowfall. July is the most humid month, though humidity is low for most of the year.