Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average sea temperature in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
October's onset brings a slight change in high-temperatures, falling from a moderately hot 79°F (26.1°C) in September to a comfortable 67.5°F (19.7°C). Throughout October nights, Dahlgren experiences a consistent temperature average of 52°F (11.1°C).Humidity
The average relative humidity in October in Dahlgren is 77%.Rainfall
In Dahlgren, in October, during 11.4 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. In Dahlgren, during the entire year, the rain falls for 158.1 days and collects up to 30.47" (774mm) of precipitation.Snowfall
May through October are months without snowfall.Ocean temperature
In Dahlgren, the average seawater temperature in October is 68°F (20°C).Note: Swimming is not an enjoyable activity for the majority when the water is at 68°F (20°C). The difficulty of controlling breathing increases as the temperature dips from 69.8°F (21°C) to 59°F (15°C).
Daylight
The average length of the day in October is 11h and 11min.On the first day of October in Dahlgren, sunrise is at 7:04 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 6:09 pm EDT.
Sunshine
The average sunshine in October is 5.6h.UV index
In Dahlgren, the average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in October interprets into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Dahlgren in October?
What is the average humidity in October in Dahlgren?
How many days does it rain in October in Dahlgren?
When it does not snow in Dahlgren?
Does it snow in Dahlgren in October?
What is the ocean temperature in October in Dahlgren?
How many hours of daylight does Dahlgren have in October?
When are sunrise and sunset in October in Dahlgren?
How many hours of sunshine does Dahlgren have in October?
What is the UV index reading in October in Dahlgren?
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).
Average pressure in October
Dahlgren, VA
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
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).
Average humidity in October
Dahlgren, VA
- Average humidity in October: 77%
The months with the highest relative humidity are May and December (78%).
The month with the lowest relative humidity is April (73%).
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").
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).
Average snowfall in October
Dahlgren, VA
- Average snowfall in October: 0"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
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).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
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).
Average daylight in October /
Average sunshine in October
Dahlgren, VA
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in October: 5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
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).
Average UV index in October
Dahlgren, VA
- Average UV index in October: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
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).
Average visibility in October
Dahlgren, VA
- Average visibility in October: 6mi
The 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).
Dahlgren, Virginia, USA
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