April weather forecastGreenvale, NY
April
Weather in April
April in Greenvale, New York, is a cool spring month, with an average temperature ranging between min 44.2°F (6.8°C) and max 55°F (12.8°C).Temperature
The shift from March to April is marked by an increase in the average high-temperature, moving from a chilly 45.1°F (7.3°C) to a fresh 55°F (12.8°C). During the month of April, the temperature falls to an average of 44.2°F (6.8°C).Humidity
The average relative humidity in April is 72%.Rainfall
In Greenvale, in April, it is raining for 16.1 days, with typically 3.23" (82mm) of accumulated precipitation. Throughout the year, there are 165.9 rainfall days, and 37.56" (954mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows in Greenvale. During 0.3 snowfall days, in April, Greenvale aggregates 0.08" (2mm) of snow. Throughout the year, in Greenvale, there are 22.2 snowfall days, and 7.24" (184mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 20min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:19 pm. On the last day of April, in Greenvale, New York, sunrise is at 5:53 am and sunset at 7:50 pm EDT.
Sunshine
The average sunshine in April is 8.5h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 4 during April morphs into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. Direct Sun exposure should be minimized especially during midday when radiation is most intense. 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. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Greenvale, NY
- Average high temperature in April: 55°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in April: 44.2°F
The months with the highest average low temperature are July and August (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in April
Greenvale, NY
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Greenvale, NY
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in April
Greenvale, NY
- Average humidity in April: 72%
The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).
Average rainfall in April
Greenvale, NY
- Average rainfall in April: 3.23"
The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days in April
Greenvale, NY
- Average rainfall days in April: 16.1 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in April
Greenvale, NY
- Average snowfall in April: 0.08"
The month with the highest snowfall is March (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Greenvale, NY
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Greenvale, NY
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 8h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in April
Greenvale, NY
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in April
Greenvale, NY
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Greenvale, NY
- Average cloud cover in April: 43
The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in April
Greenvale, NY
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





