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
Stoney Brook's weather shows a temperature rise with the arrival of April, moving from a fresh 52°F (11.1°C) in March to a comfortable 64.2°F (17.9°C). Throughout the month of April, the nighttime temperature dips to an average of 46°F (7.8°C).Humidity
The average relative humidity in April is 72%.Rainfall
In Stoney Brook, during April, the rain falls for 16.3 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, in Stoney Brook, there are 161.3 rainfall days, and 33.19" (843mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.2 snowfall days, in April, Stoney Brook aggregates 0.28" (7mm) of snow. In Stoney Brook, during the entire year, snow falls for 17.1 days and aggregates up to 10.2" (259mm) of snow.Daylight
The average length of the day in April is 13h and 15min.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 6:10 am and sunset at 8:00 pm EDT.
Sunshine
In Stoney Brook, the average sunshine in April is 8.8h.UV index
In Stoney Brook, the average daily maximum UV index in April is 4. A UV Index value 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 UV index of 4 transforms into the following advice:
Take necessary precautions - Defending against sun damage is advocated. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How much does it rain in Stoney Brook in April?
What is the last month it snows?
How many hours of daylight does Stoney Brook have in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
Stoney Brook, 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
Stoney Brook, 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
Stoney Brook, 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
Stoney Brook, 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
Stoney Brook, 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
Stoney Brook, 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
Stoney Brook, 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
Stoney Brook, 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
Stoney Brook, 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 December (Average sunshine: 4h and 54min).
Average sunshine days in April
Stoney Brook, MD
- Average sunshine days in April: 11.9 days
The month with the most sunshine days is November (19.5 days).
The months with the least sunshine days are May and July (11 days).
Average UV index in April
Stoney Brook, 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
Stoney Brook, 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
Stoney Brook, 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).
Stoney Brook, Maryland, USA
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