The most pleasant months of the year for the Bonham metro area are October, May and April. In the Bonham metro area, there are 3 comfortable months with high temperatures in the range of 70-85°. August is the hottest month for the Bonham metro area with an average high temperature of 94.2°, which ranks it as cooler than most places in Texas. January is the snowiest month in the Bonham metro area with 0.5 inches of snow, and 1 month of the year have significant snowfall. The most uncomfortably humid months are July, August and June.