Dumfries, in Virginia, United States, is home to roughly 5,200 people in the Eastern Time Zone at 38.6°N latitude.
In 2025, Dumfries recorded an average annual temperature of 57°F. The hottest temperatures reached 100°F in June; the coolest were 7°F in January. Total precipitation for the year was 47 inches, with the wettest month being May. Snowfall for the year totaled approximately 8 inches.
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