The most pleasant months of the year for Calverton are September, May and June. In Calverton, there are 3 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Calverton with an average high temperature of 87.0°, which ranks it as about average compared to other places in Virginia. January is the snowiest month in Calverton with 7.0 inches of snow, and 5 months of the year have significant snowfall. July is the most humid month, though humidity is low for most of the year.