April weather forecastLorton, VA
April
Weather in April
April in Lorton, Virginia, is a comfortable spring month, with an average temperature ranging between max 65.5°F (18.6°C) and min 47.1°F (8.4°C).Temperature
Noticing a change, the average high-temperature during April moves from March's fresh 53.2°F (11.8°C) to a comfortable 65.5°F (18.6°C). Lorton, during April nights, observes an average temperature of 47.1°F (8.4°C).Humidity
In Lorton, the average relative humidity in April is 72%.Rainfall
In April, in Lorton, the rain falls for 14.8 days. Throughout April, 2.6" (66mm) of precipitation is accumulated. In Lorton, Virginia, during the entire year, the rain falls for 156.5 days and collects up to 30.83" (783mm) of precipitation.Snowfall
January through April and December are months with snowfall. April is the last month it regularly snows. During 0.2 snowfall days, in April, Lorton aggregates 0.31" (8mm) of snow. Throughout the year, there are 12.7 snowfall days, and 8.62" (219mm) of snow is accumulated.Daylight
In Lorton, the average length of the day in April is 13h and 14min.On the first day of April, 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
The average sunshine in April in Lorton is 9h.UV index
In Lorton, Virginia, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 4 in April translates into the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Boost your sun resistance with garments that are densely woven yet spacious. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Lorton, VA
- Average high temperature in April: 65.5°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in April: 47.1°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in April
Lorton, 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
Lorton, VA
- Average wind speed in April: 7.2mph
The windiest month (with the highest average wind speed) is March (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in April
Lorton, VA
- Average humidity in April: 72%
The months with the highest relative humidity are October and December (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall in April
Lorton, VA
- Average rainfall in April: 2.6"
The wettest month (with the highest rainfall) is August (3.98").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in April
Lorton, VA
- Average rainfall days in April: 14.8 days
The months with the highest number of rainy days are May and August (17.8 days).
The month with the least rainy days is November (7.7 days).
Average snowfall in April
Lorton, VA
- Average snowfall in April: 0.31"
The month with the highest snowfall is January (3.23").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in April
Lorton, VA
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (4.1 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
Lorton, VA
- Average daylight in April: 13h and 12min
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 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).
Average sunshine days in April
Lorton, VA
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is August (10.4 days).
Average UV index in April
Lorton, 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
Lorton, 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 31).
Average visibility in April
Lorton, 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).
