Weather in Dover Vermont Sperling's BestPlacesThe climate at Vermont's Dover can be changeable. It can be hot. It can be cold. It can be sunny. It can be cloudy. A thick layer of fog can engulf the area. Precipitation can fall from the sky. It can be snowy. It can be windy. It can be stormy. Overall, the weather in Dover, Vermont offers a wide range of climatic conditions.