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 March gives way to April, the average high-temperature displays an increase, moving from a cool 52°F (11.1°C) to a refreshing 64.2°F (17.9°C). In April, in Green Wood Knolls, Maryland, the average low-temperature is a chilly 46°F (7.8°C).Humidity
In Green Wood Knolls, the average relative humidity in April is 72%.Rainfall
In April, the rain falls for 16.3 days. Throughout April, 2.87" (73mm) of precipitation is accumulated. Throughout the year, in Green Wood Knolls, Maryland, there are 160.9 rainfall days, and 32.99" (838mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Green Wood Knolls. April is the last month it regularly snows. During 0.2 snowfall days, in April, Green Wood Knolls aggregates 0.28" (7mm) of snow. Throughout the year, in Green Wood Knolls, there are 17.1 snowfall days, and 10.2" (259mm) of snow is accumulated.Daylight
The average length of the day in April in Green Wood Knolls is 13h and 15min.On the first day of April in Green Wood Knolls, sunrise is at 6:51 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:00 pm EDT.
Sunshine
In April, the average sunshine is 8.8h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In April, the maximum UV index of 4 suggests these recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the usual temperature for Green Wood Knolls in April?
What is the average humidity in April in Green Wood Knolls?
How many days does it rain in April in Green Wood Knolls?
What is the last month it snows in Green Wood Knolls?
What is the average length of the day in April in Green Wood Knolls?
When are sunrise and sunset in April in Green Wood Knolls?
How long on average sun shines in April in Green Wood Knolls?
What is the UV index intensity in April in Green Wood Knolls?
Average temperature in April
Green Wood Knolls, MD
- Average high temperature in April: 64.2°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in April: 46°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in April
Green Wood Knolls, MD
- 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
Green Wood Knolls, MD
- Average wind speed in April: 8mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in April
Green Wood Knolls, MD
- Average humidity in April: 72%
The months with the highest relative humidity are May, October and December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in April
Green Wood Knolls, MD
- Average rainfall in April: 2.87"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in April
Green Wood Knolls, MD
- Average rainfall days in April: 16.3 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in April
Green Wood Knolls, MD
- Average snowfall in April: 0.28"
The months with the highest snowfall are January and March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Green Wood Knolls, MD
- Average snowfall days in April: 0.2 days
The months with the highest number of snowfall days are January and February (5.1 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
Green Wood Knolls, MD
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
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 0min).
Average sunshine days in April
Green Wood Knolls, MD
- Average sunshine days in April: 11.9 days
The month with the most sunshine days is November (19.4 days).
The months with the least sunshine days are May and July (11 days).
Average UV index in April
Green Wood Knolls, MD
- 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
Green Wood Knolls, MD
- Average cloud cover in April: 42
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
Green Wood Knolls, MD
- 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).
Green Wood Knolls, Maryland, USA
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