Dumfries Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Dumfries.
Climate overview of Dumfries
Temperatures in Dumfries, Virginia, United States of America, vary greatly throughout the year. July is the hottest month at 31°C (88°F), while January is the coldest at 7°C (45°F).
The city receives considerable rain/snowfall, with around 1198 mm (47 in) annually. June is the wettest month. June is the sunniest month, averaging 9.4 hours of sunshine per day.
Dumfries Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Dumfries — and find the best time to visit.
Monthly Temperature in Dumfries
The climate in Dumfries is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in July to a chilly 7°C (45°F) in the coolest month, January.
Nights vary from 20°C (68°F) in July to around -4°C (25°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Dumfries
Dumfries has a notably wet climate with abundant precipitation, recording 1198 mm (47 in) of rain/snowfall per year. Dumfries offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month June (139 mm (5.5 in)) and the driest month February (64 mm (2.5 in)) is not too significant. For more details, please visit our Dumfries Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Dumfries
For those who appreciate different seasons, Dumfries serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 9.4 hours of sunshine daily, and embrace the darker days in December, offering only 4.3 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Dumfries by Month
The relative humidity is high throughout the year in Dumfries.
The city experiences its highest humidity in August, reaching 69%. In March, the humidity drops to its lowest level at 58%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Dumfries
Frequently asked questions about the climate in Dumfries
What is the best time to visit Dumfries?
April typically offers the most optimal weather in Dumfries. In contrast, January, February and December tend to have less optimal conditions.
What temperatures can I expect in Dumfries?
Daytime highs range from 7°C (45°F) in January to 31°C (88°F) in July. Nighttime lows range from -4°C (25°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does Dumfries get?
Annual rainfall is around 1198 mm (47 in). June is the wettest month with 139 mm (5.5 in), while February is the driest with 64 mm (2.5 in).
How sunny is Dumfries?
Dumfries receives around 2,520 hours of sunshine per year. June is the sunniest month with 282 hours, while December is the cloudiest with just 130 hours. Overall, Dumfries enjoys abundant sunshine.
Dumfries 3-Day Forecast
Dumfries 3-Day Forecast
Dumfries on the map
Dumfries is highlighted — select any city to see its climate.
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