The most pleasant months of the year for Florence are May, September and June. In Florence, there are 3 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Florence with an average high temperature of 87.1°, which ranks it as warmer than most places in Indiana. February is the snowiest month in Florence with 4.1 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.