The most pleasant months of the year for Morriston are November, March and April. In Morriston, there are 5 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Morriston with an average high temperature of 91.7°, which ranks it as warmer than most places in Florida. Any measurable snowfall is a rare occurance in Morriston. The humidity here has been described as stifling in August and July.