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
As April arrives, Mount Vernon's weather shows an increase in high-temperatures, moving from March's cool 53.2°F (11.8°C) to a refreshing 65.1°F (18.4°C). In Mount Vernon, the nighttime temperature averages to a frosty 47.3°F (8.5°C) during April.Humidity
The months with the lowest humidity in Mount Vernon are April and July, with an average relative humidity of 71%.Rainfall
In Mount Vernon, Virginia, during April, the rain falls for 15.7 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Mount Vernon, during the entire year, the rain falls for 158.2 days and collects up to 30.67" (779mm) of precipitation.Snowfall
Months with snowfall in Mount Vernon, Virginia, are January through April, November and December. April is the last month it regularly snows. During 0.1 snowfall days, in April, Mount Vernon aggregates 0.08" (2mm) of snow. Throughout the year, in Mount Vernon, there are 14.4 snowfall days, and 7.56" (192mm) of snow is accumulated.Daylight
The average length of the day in April in Mount Vernon is 13h and 14min.On the first day of April, sunrise is at 6:51 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 Mount Vernon, the average sunshine in April is 8.9h.UV index
In Mount Vernon, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 during April translates into the following directions:
Ensure safety - Imperative it is to shield skin and eyes from damage. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What is the usual temperature for Mount Vernon in April?
What are the least humid months in Mount Vernon?
What is the average humidity in April in Mount Vernon?
How much does it rain in Mount Vernon in April?
What is the last month it snows in Mount Vernon?
What is the average length of the day in April in Mount Vernon?
When is the sunrise / sunset in April in Mount Vernon?
How many hours of sunshine does Mount Vernon have in April?
How high is the UV index in April in Mount Vernon?
Average temperature in April
Mount Vernon, VA
- Average high temperature in April: 65.1°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in April: 47.3°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 (27.7°F).
Average pressure in April
Mount Vernon, 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
Mount Vernon, VA
- Average wind speed in April: 7.7mph
The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in April
Mount Vernon, VA
- Average humidity in April: 71%
The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).
Average rainfall in April
Mount Vernon, VA
- Average rainfall in April: 2.76"
The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in April
Mount Vernon, VA
- Average rainfall days in April: 15.7 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in April
Mount Vernon, VA
- Average snowfall in April: 0.08"
The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Mount Vernon, VA
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is January (4.5 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
Mount Vernon, 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: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in April
Mount Vernon, VA
- Average sunshine days in April: 12.4 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in April
Mount Vernon, 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 and December (UV index 2).
Average cloud cover in April
Mount Vernon, 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 30).
Average visibility in April
Mount Vernon, 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).
Mount Vernon, Virginia, USA
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