April weather forecastSunny Knoll, VA
April
Weather in April
April in Sunny Knoll, Virginia, is a refreshing spring month, with an average temperature fluctuating between 45.1°F (7.3°C) and 65.1°F (18.4°C).Temperature
The arrival of April signals an increase in the average high-temperature, moving from a fresh 52.3°F (11.3°C) in March to an enjoyable 65.1°F (18.4°C). During April, Sunny Knoll consistently records a temperature low averaging a frosty 45.1°F (7.3°C).Humidity
The average relative humidity in April is 74%.Rainfall
In April, the rain falls for 15.9 days. Throughout April, 2.91" (74mm) of precipitation is accumulated. Throughout the year, there are 160.5 rainfall days, and 29.92" (760mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In April, it is snowing for 0.3 days. Throughout April, 0.63" (16mm) of snow is accumulated. Throughout the year, there are 20.3 snowfall days, and 13.07" (332mm) of snow is accumulated.Daylight
The average length of the day in April in Sunny Knoll is 13h and 14min.On the first day of the month, sunrise is at 6:54 am and sunset at 7:35 pm. On the last day of April, sunrise is at 6:14 am and sunset at 8:02 pm EDT.
Sunshine
The average sunshine in April is 9.1h.UV index
In Sunny Knoll, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, a daily UV index of 4 turns into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Sunny Knoll, VA
- Average high temperature in April: 65.1°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 (40.3°F).
- Average low temperature in April: 45.1°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in April
Sunny Knoll, 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
Sunny Knoll, VA
- Average wind speed in April: 6.8mph
The windiest months (with the highest average wind speed) are March and April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in April
Sunny Knoll, VA
- Average humidity in April: 74%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in April
Sunny Knoll, VA
- Average rainfall in April: 2.91"
The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in April
Sunny Knoll, VA
- Average rainfall days in April: 15.9 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in April
Sunny Knoll, VA
- Average snowfall in April: 0.63"
The month with the highest snowfall is January (3.74").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Sunny Knoll, VA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Sunny Knoll, 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 6min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in April
Sunny Knoll, VA
- Average sunshine days in April: 12.8 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in April
Sunny Knoll, 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, November and December (UV index 2).
Average cloud cover in April
Sunny Knoll, 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
Sunny Knoll, VA
- Average visibility in April: 6mi
The months with the highest visibility are January, March, April, June, July, August and November (6mi).
The months with the lowest visibility are February, May, September, October and December (5mi).
