The most pleasant months of the year for the 38131 zip code are May, October and April. In the 38131 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for the 38131 zip code with an average high temperature of 90.9°, which ranks it as one of the hottest places in Tennessee. January is the snowiest month in the 38131 zip code with 1.3 inches of snow, and 2 months of the year have significant snowfall. The most uncomfortably humid months are July, August and June.