Dahlgren
Virginia, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Dahlgren, VA

January, like December, in Dahlgren, Virginia, is another cold winter month, with average temperature fluctuating between 42.3°F (5.7°C) and 28.8°F (-1.8°C). With an average high-temperature of 42.3°F (5.7°C) and an average low-temperature of 28.8°F (-1.8°C), January is the coldest month. Weather in January »

February, the last month of the winter, in Dahlgren, is a chilly month, with average temperature ranging between min 31.3°F (-0.4°C) and max 46.9°F (8.3°C). In February, the average high-temperature is practically the same as in January - a frosty 46.9°F (8.3°C). Weather in February »

March, the first month of the spring, in Dahlgren, is a fresh month, with average temperature fluctuating between 53.8°F (12.1°C) and 38.5°F (3.6°C). In March, the average high-temperature marginally rises, from a frosty 46.9°F (8.3°C) in February, to a cool 53.8°F (12.1°C). Weather in March »

April in Dahlgren, Virginia, is an enjoyable spring month, with temperature in the range of an average low of 48.4°F (9.1°C) and an average high of 66.4°F (19.1°C). In Dahlgren, the average high-temperature increases, from a cool 53.8°F (12.1°C) in March, to an enjoyable 66.4°F (19.1°C). Weather in April »

May, the last month of the spring, in Dahlgren, is a moderately hot month, with average temperature fluctuating between 57.2°F (14°C) and 75°F (23.9°C). In May, the average high-temperature slightly increases, from a comfortable 66.4°F (19.1°C) in April, to a moderately hot 75°F (23.9°C). Weather in May »

The first month of the summer, June, is also a moderately hot month in Dahlgren, Virginia, with average temperature varying between 64.8°F (18.2°C) and 82.8°F (28.2°C). In June, the average high-temperature slightly increases, from 75°F (23.9°C) in May, to a still moderately hot 82.8°F (28.2°C). Weather in June »

July is a tropical summer month in Dahlgren, Virginia, with average temperature ranging between max 87.4°F (30.8°C) and min 69.4°F (20.8°C). The warmest month is July, with an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 69.4°F (20.8°C). In July, the average heat index is evaluated at a very hot 100.9°F (38.3°C). Weather in July »

August, the last month of the summer, in Dahlgren, is another warm month, with average temperature varying between 85.5°F (29.7°C) and 67.8°F (19.9°C). In August, the average high-temperature is essentially the same as in July - a warm 85.5°F (29.7°C). Weather in August »

The first month of the autumn, September, is still a warm month in Dahlgren, Virginia, with average temperature varying between 62.2°F (16.8°C) and 79°F (26.1°C). In September, the average high-temperature marginally drops, from 85.5°F (29.7°C) in August, to a still moderately hot 79°F (26.1°C). Weather in September »

October, like September, in Dahlgren, Virginia, is another enjoyable autumn month, with average temperature ranging between max 67.5°F (19.7°C) and min 52°F (11.1°C). In October, the average high-temperature decreases, from a moderately hot 79°F (26.1°C) in September, to an enjoyable 67.5°F (19.7°C). Weather in October »

November, the last month of the autumn, in Dahlgren, is also a moderate month, with average temperature fluctuating between 41°F (5°C) and 55.8°F (13.2°C). In Dahlgren, the average high-temperature drops, from an enjoyable 67.5°F (19.7°C) in October, to a moderate 55.8°F (13.2°C). Weather in November »

The first month of the winter, December, is still a chilly month in Dahlgren, Virginia, with average temperature varying between 47.5°F (8.6°C) and 35.1°F (1.7°C). In December, the average high-temperature slightly decreases, from a mild 55.8°F (13.2°C) in November, to a frosty 47.5°F (8.6°C). Weather in December »

What is the coldest month in Dahlgren?

January is the coldest month, with an average high-temperature of 42.3°F (5.7°C) and an average low-temperature of 28.8°F (-1.8°C).

How many days does it rain in Dahlgren?

Throughout the year, there are 158.1 rainfall days, and 30.47" (774mm) of precipitation is accumulated.

When does it snow in Dahlgren?

Months with snowfall are January through April, November and December.

How much does it snow in Dahlgren?

In Dahlgren, during the entire year, snow falls for 12 days, and aggregates up to 6.73" (171mm) of snow.

When does it snow the most in Dahlgren?

The month with the most snowfall in Dahlgren is January when snow falls for 4 days and typically aggregates up to 1.85" (47mm) of snow.

What are the months with the lowest UV index in Dahlgren?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Dahlgren.

What is the month with the coldest ocean in Dahlgren?

The month with the coldest seawater in Dahlgren, Virginia, is February, with an average ocean temperature of 46.8°F (8.2°C).

What is the month with the least sunshine in Dahlgren?

Months with the least sunshine are February and December, with an average of 5.1h of sunshine.

What is the least humid month in Dahlgren?

With an average relative humidity of 73%, April is the least humid month in Dahlgren.

What is the most humid month in Dahlgren?

May and December, with an average relative humidity of 78%, are most humid months.

When it does not snow in Dahlgren?

May through October are months without snowfall.

When is the highest UV index in Dahlgren?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Dahlgren, Virginia.

When are the longest days in Dahlgren?

June has the longest days of the year in Dahlgren, Virginia, with an average of 14.8h of daylight.

What is the warmest month in Dahlgren?

The warmest month is July, with an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 69.4°F (20.8°C).

What is the rainiest month in Dahlgren?

Months with the most rainfall are July and August, with an average 3.19" (81mm) of precipitation.

What month has the most sunshine in Dahlgren?

The month with the most sunshine in Dahlgren, Virginia, is July, with an average of 10.6h of sunshine.

When is the ocean warmest in Dahlgren?

With an average ocean temperature of 78.4°F (25.8°C), August is the month with the warmest seawater.

What is the driest month in Dahlgren?

September is the month with the least rainfall. Rain falls for 13.3 days and accumulates 1.97" (50mm) of precipitation.

What is the month with the shortest days in Dahlgren?

December has the shortest days of the year, with an average of 9.5h of daylight.
Average temperature - Dahlgren, VA
Average humidity - Dahlgren, VA
Average rainfall - Dahlgren, VA

Wettest months (with the highest rainfall) are July and August (3.19").
The driest month (with the lowest rainfall) is September (1.97").

Average rainfall days - Dahlgren, VA

The month with the highest number of rainy days is May (17.3 days).
The month with the lowest number of rainy days is January (9.4 days).

Average snowfall - Dahlgren, VA

The month with the highest snowfall is January (1.85").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average snowfall days - Dahlgren, VA

The month with the highest number of snowfall days is January (4 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature - Dahlgren, VA

The best month for swimming (with the highest average sea temperature) is August (78.4°F).
The coldest month (with the lowest average sea temperature) is February (46.7°F).

Average daylight / Average sunshine - Dahlgren, VA

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.5h).

The month with most sunshine is July (Average sunshine: 10.6h).
Months with least sunshine are February and December (Average sunshine: 5.1).

Average UV index - Dahlgren, VA