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
Roslyn Hills's weather in April presents a rise in the average high-temperature, moving from a refreshing 55.9°F (13.3°C) in March to a pleasant 68.2°F (20.1°C). Roslyn Hills's average low-temperature during April nights is observed to be a chilly 49.1°F (9.5°C).Humidity
The average relative humidity in April is 72%.Rainfall
In Roslyn Hills, in April, during 15 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In Roslyn Hills, during the entire year, the rain falls for 151.1 days and collects up to 26.22" (666mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows in Roslyn Hills. During 0.3 snowfall days, in April, Roslyn Hills aggregates 0.16" (4mm) of snow. Throughout the year, in Roslyn Hills, Virginia, there are 10.5 snowfall days, and 6.42" (163mm) of snow is accumulated.Daylight
In Roslyn Hills, the average length of the day in April is 13h and 11min.On the first day of the month, sunrise is at 6:54 am and sunset at 7:33 pm. On the last day of April, sunrise is at 6:15 am and sunset at 7:59 pm EDT.
Sunshine
The average sunshine in April is 9.1h.UV index
The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: During April, 4 as the daily maximum UV index converts into the following advice:
Undertake precautions - Guarding against sun damage is counselled. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
What is the average April temperature in Roslyn Hills?
What is the average humidity in April in Roslyn Hills?
How much does it rain in Roslyn Hills in April?
What is the last month it snows in Roslyn Hills?
How many hours of daylight does Roslyn Hills have in April?
What time are sunrise and sunset in April in Roslyn Hills?
How long on average sun shines in April in Roslyn Hills?
What is the UV index intensity in April in Roslyn Hills?
Average temperature in April
Roslyn Hills, VA
- Average high temperature in April: 68.2°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in April: 49.1°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in April
Roslyn Hills, 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
Roslyn Hills, VA
- Average wind speed in April: 7.4mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in April
Roslyn Hills, VA
- Average humidity in April: 72%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (68%).
Average rainfall in April
Roslyn Hills, VA
- Average rainfall in April: 2.36"
The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in April
Roslyn Hills, VA
- Average rainfall days in April: 15 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in April
Roslyn Hills, VA
- Average snowfall in April: 0.16"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Roslyn Hills, VA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (3.5 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
Roslyn Hills, VA
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in April
Roslyn Hills, VA
- Average sunshine days in April: 13.7 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in April
Roslyn Hills, VA
- Average UV index in April: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in April
Roslyn Hills, VA
- Average cloud cover in April: 40
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Roslyn Hills, 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).
Roslyn Hills, Virginia, USA
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