Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average sea temperature in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April brings a rise in the average high-temperature, transitioning from March's cool 53.8°F (12.1°C) to a comfortable 66.4°F (19.1°C). In the month of April, the average temperature in Dahlgren dips to a frosty 48.4°F (9.1°C) during the night.Humidity
April is the least humid month, with an average relative humidity of 73%.Rainfall
In April, the rain falls for 15.7 days. Throughout April, 2.8" (71mm) of precipitation is accumulated. Throughout the year, in Dahlgren, there are 158.1 rainfall days, and 30.47" (774mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Dahlgren. April is the last month it regularly snows in Dahlgren. During 0.1 snowfall days, in April, Dahlgren aggregates 0.08" (2mm) of snow. In Dahlgren, during the entire year, snow falls for 12 days and aggregates up to 6.73" (171mm) of snow.Ocean temperature
In Dahlgren, in April, the average water temperature is 53.1°F (11.7°C).Note: Without suitable protection, venturing into 53.1°F (11.7°C) waters cooler than 50°F (10°C) can lead to pronounced cold shock and rapid breaths.
Daylight
In Dahlgren, the average length of the day in April is 13h and 13min.On the first day of April, sunrise is at 6:51 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:59 pm EDT.
Sunshine
The average sunshine in April in Dahlgren is 9h.UV index
In April, the average daily maximum UV index in Dahlgren is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 4 in April translates into this advice:
Take precautions - Protection against sun damage is advised. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Dahlgren?
What is the least humid month in Dahlgren?
What is the average humidity in April in Dahlgren?
How much does it rain in Dahlgren in April?
What is the last month it snows in Dahlgren?
How cold is the water in April in Dahlgren?
What is the average length of the day in April in Dahlgren?
When is the sunrise / sunset in April in Dahlgren?
How long on average sun shines in April in Dahlgren?
What is the UV index reading in April in Dahlgren?
Average temperature in April
Dahlgren, VA
- Average high temperature in April: 66.4°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 April: 48.4°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 April
Dahlgren, VA
- Average pressure in April: 30"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 April
Dahlgren, VA
- Average wind speed in April: 8mph
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 April
Dahlgren, VA
- Average humidity in April: 73%
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 April
Dahlgren, VA
- Average rainfall in April: 2.8"
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 April
Dahlgren, VA
- Average rainfall days in April: 15.7 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 April
Dahlgren, VA
- Average snowfall in April: 0.08"
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 April
Dahlgren, VA
- Average snowfall days in April: 0.1 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 April
Dahlgren, VA
- Average sea temperature in April: 52.9°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 April /
Average sunshine in April
Dahlgren, VA
- Average daylight in April: 13h 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 April: 9h and 0min
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 April
Dahlgren, VA
- Average sunshine days in April: 12.8 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 April
Dahlgren, VA
- Average UV index in April: 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 April
Dahlgren, VA
- Average cloud cover in April: 41
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 April
Dahlgren, VA
- Average visibility in April: 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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