The most pleasant months of the year for Gross are September, June and May. In Gross, there are 3 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Gross with an average high temperature of 87.2°, which ranks it as about average compared to other places in Nebraska. March is the snowiest month in Gross with 6.8 inches of snow, and 7 months of the year have significant snowfall. July is the most humid month, though it is still relatively mild compared to many other places.