Dahlgren Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Dahlgren.

Climate overview of Dahlgren

The climate in Dahlgren, Virginia, United States of America, is marked by large temperature swings across the seasons, ranging from 31°C (88°F) in July to 7°C (45°F) in January.

The city has a wet climate, receiving around 1167 mm (46 in) of rain/snowfall per year. June is the wettest month. Sunshine peaks in June, when the city sees around 9.4 hours of sunshine per day.

Dahlgren Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Dahlgren — and find the best time to visit.

Monthly Temperature in Dahlgren

In Dahlgren, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 31°C (88°F) in July to a chilly 7°C (45°F) in January.

Nighttime temperatures range from 21°C (70°F) in July to -3°C (27°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Dahlgren

Dahlgren experiences significant rain/snowfall throughout the year, averaging 1167 mm (46 in) of precipitation annually. The seasons in Dahlgren bring significant changes in precipitation. The wettest month, June, receives high rainfall, with an average of 142 mm (5.6 in) of precipitation. This rainfall is distributed across 13 rainy days.

In contrast, the driest month, February, experiences much less rainfall, totaling 65 mm (2.6 in) over 10 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Dahlgren Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Dahlgren

In Dahlgren, summer days are longer and more sunny, with daily sunshine hours peaking at 9.4 hours in June. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.3 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Washington DC, the United States of America (57 KM, 35 Miles).

Daily hours of sunshine

Data from: Washington DC, the United States of America (57 KM, 35 Miles).

Humidity in Dahlgren by Month

Best Time to Visit Dahlgren

The best time to visit Dahlgren is during April, May, June, September and October, when the weather provides comfortable temperatures between 20°C (68°F) and 29°C (84°F). With rainfall of 90 mm (3.5 in) to 142 mm (5.6 in), you can expect pleasant weather during your visit in these months.

Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.

Frequently asked questions about the climate in Dahlgren

What is the best time to visit Dahlgren?

April typically offers the most optimal weather in Dahlgren. In contrast, January, February and December tend to have less optimal conditions.

What temperatures can I expect in Dahlgren?

Daytime highs range from 7°C (45°F) in January to 31°C (88°F) in July. Nighttime lows range from -3°C (27°F) to 21°C (70°F). Temperatures vary considerably through the year.

How much rain does Dahlgren get?

Annual rainfall is around 1167 mm (46 in). June is the wettest month with 142 mm (5.6 in), while February is the driest with 65 mm (2.6 in).

How sunny is Dahlgren?

Dahlgren 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, Dahlgren enjoys abundant sunshine.

Dahlgren 3-Day Forecast

Dahlgren 3-Day Forecast

Dahlgren on the map

Dahlgren is highlighted — select any city to see its climate.

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