The most pleasant months of the year for the 37614 zip code are September, May and June. In the 37614 zip code, there are 3 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for the 37614 zip code with an average high temperature of 85.5°, which ranks it as cooler than most places in Tennessee. January is the snowiest month in the 37614 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.