October weather forecast
Dahlgren, VA

Weather in October

October, the same as September, is another comfortable autumn month in Dahlgren, Virginia, with average temperature varying between 67.5°F (19.7°C) and 52°F (11.1°C).

Temperature

In October, the average high-temperature decreases, from a moderately hot 79°F (26.1°C) in September, to a comfortable 67.5°F (19.7°C). The average low-temperature,, is 52°F (11.1°C).

Humidity

In October, the average relative humidity in Dahlgren is 77%.

Rainfall

In Dahlgren, Virginia, during October, the rain falls for 11.4 days and regularly aggregates up to 2.56" (65mm) of precipitation. Throughout the year, in Dahlgren, Virginia, there are 158.1 rainfall days, and 30.47" (774mm) of precipitation is accumulated.

Snowfall

In Dahlgren snow does not fall in May through October.

Ocean temperature

In Dahlgren, Virginia, in October, the average water temperature is 68°F (20°C).
Note: For most, swimming in 68°F (20°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

The average length of the day in Dahlgren is 11.2h.

Sunshine

In October, the average sunshine is 5.6h.

UV index

The average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in October in Dahlgren?

In October, the average relative humidity in Dahlgren, Virginia, is 77%.

How many days does it rain in October in Dahlgren?

In Dahlgren, Virginia, during October, the rain falls for 11.4 days and regularly aggregates up to 2.56" (65mm) of precipitation.

When it does not snow in Dahlgren?

In Dahlgren, Virginia, snow does not fall in May through October.

Does it snow in Dahlgren in October?

In Dahlgren, in October, it doesn't snow. In November, it regularly snows.

What is the ocean temperature in October in Dahlgren?

In Dahlgren, the average seawater temperature in October is 68°F (20°C). For swimming, a surface water temperature of 68°F (20°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the average length of the day in October in Dahlgren?

In Dahlgren, the average length of the day in October is 11.2h.

How many hours of sunshine does Dahlgren have in October?

In Dahlgren, Virginia, the average sunshine in October is 5.6h.

What is the UV index reading in October in Dahlgren?

In October, the average daily maximum UV index in Dahlgren, Virginia, is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in October
Dahlgren, VA

Average temperature in October - Dahlgren, VA
  • Average high temperature in October: 67.5°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (42.3°F).

  • Average low temperature in October: 52°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

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Average pressure in October
Dahlgren, VA

Average pressure in October - Dahlgren, VA
  • Average pressure in October: 30.04"

The month with the highest atmospheric pressure is November (30.14").
The month with the lowest atmospheric pressure is June (29.95").

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Average wind speed in October
Dahlgren, VA

Average wind speed in October - Dahlgren, VA
  • Average wind speed in October: 6.9mph

The windiest month (with the highest average wind speed) is April (8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in October
Dahlgren, VA

Average humidity in October - Dahlgren, VA
  • Average humidity in October: 77%

Months with the highest relative humidity are May and December (78%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in October
Dahlgren, VA

Average rainfall in October - Dahlgren, VA
  • Average rainfall in October: 2.56"

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

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Average rainfall days in October
Dahlgren, VA

Average rainfall days in October - Dahlgren, VA
  • Average rainfall days in October: 11.4 days

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

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Average snowfall in October
Dahlgren, VA

Average snowfall in October - Dahlgren, VA
  • Average snowfall in October: 0"

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

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Average snowfall days in October
Dahlgren, VA

Average snowfall days in October - Dahlgren, VA
  • Average snowfall days in October: 0 days

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

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Average sea temperature in October
Dahlgren, VA

Average sea temperature in October - Dahlgren, VA
  • Average sea temperature in October: 68.1°F

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).

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Average daylight in October /
Average sunshine in October
Dahlgren, VA

Average daylight in October / Average sunshine in October - Dahlgren, VA
  • Average daylight in October: 11.2h

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

  • Average sunshine in October: 5.6h

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

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Average sunshine days in October
Dahlgren, VA

Average sunshine days in October - Dahlgren, VA
  • Average sunshine days in October: 18.5 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.9 days).

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Average UV index in October
Dahlgren, VA

Average UV index in October - Dahlgren, VA
  • Average UV index in October: 4

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in October
Dahlgren, VA

Average cloud cover in October - Dahlgren, VA
  • Average cloud cover in October: 38

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in October
Dahlgren, VA

Average visibility in October - Dahlgren, VA
  • Average visibility in October: 6mi

Months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

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