Average Weather in August in Stowe Vermont 

Vermont actually has mild summers compared with the rest of New England, with average temperatures in the low 70s, and it is cooler at nighttime. Temperatures do get into the 80's for a few weeks in the summer, though.  Excessively hot days can usually be avoided by heading up into the mountains.

In Stowe, the month of August is characterized by falling daily high temperatures, with daily highs decreasing by 5°F, from 77°F to 73°F over the course of the month, and rarely exceeding 85°F or dropping below 64°F.

Daily low temperatures decrease by 5°F, from 58°F to 53°F, rarely falling below 43°F or exceeding 66°F.