The most pleasant months of the year for Trempealeau village are June, August and September. In Trempealeau village, there are 5 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Trempealeau village with an average high temperature of 83.8°, which ranks it as one of the hottest places in Wisconsin. December is the snowiest month in Trempealeau village with 11.0 inches of snow, and 6 months of the year have significant snowfall. July is the most humid month, though humidity is low for most of the year.