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 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
Noticing a change, the average high-temperature during April moves from March's fresh 52.9°F (11.6°C) to a refreshing 65.3°F (18.5°C). The average low-temperature, in April, is a frosty 46.9°F (8.3°C).Humidity
The months with the lowest humidity are April and July, with an average relative humidity of 71%.Rainfall
In Annandale, in April, it is raining for 15.7 days, with typically 2.8" (71mm) of accumulated precipitation. In Annandale, during the entire year, the rain falls for 161.2 days and collects up to 31.54" (801mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Annandale. April is the last month it regularly snows in Annandale. During 0.2 snowfall days, in April, Annandale aggregates 0.24" (6mm) of snow. In Annandale, during the entire year, snow falls for 16.1 days and aggregates up to 10.39" (264mm) of snow.Daylight
In Annandale, the average length of the day in April is 13h and 14min.On the first day of April in Annandale, sunrise is at 6:52 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:00 pm EDT.
Sunshine
In Annandale, the average sunshine in April is 9h.UV index
In Annandale, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in April converts into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Annandale in April?
What is the least humid month in Annandale?
What is the average humidity in April in Annandale?
How many days does it rain in April in Annandale?
What is the last month it snows in Annandale?
How many hours of daylight does Annandale have in April?
When are sunrise and sunset in April in Annandale?
How many hours of sunshine does Annandale have in April?
What is the UV index intensity in April in Annandale?
Average temperature in April
Annandale, VA
- Average high temperature in April: 65.3°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in April: 46.9°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in April
Annandale, VA
- Average pressure in April: 29.99"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
Annandale, VA
- Average wind speed in April: 7.5mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in April
Annandale, VA
- Average humidity in April: 71%
The month with the highest relative humidity is October (77%).
The months with the lowest relative humidity are April and July (71%).
Average rainfall in April
Annandale, VA
- Average rainfall in April: 2.8"
The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in April
Annandale, VA
- Average rainfall days in April: 15.7 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in April
Annandale, VA
- Average snowfall in April: 0.24"
The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Annandale, VA
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Annandale, 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 54min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 12min).
Average sunshine days in April
Annandale, VA
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in April
Annandale, 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, November and December (UV index 2).
Average cloud cover in April
Annandale, VA
- Average cloud cover in April: 40
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in April
Annandale, 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).
Annandale, Virginia, USA
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