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
April's arrival coincides with a marginal rise in the average high-temperature, moving from March's frosty 44.1°F (6.7°C) to a cool 52.7°F (11.5°C). In Copiague, April nights experience a modest descent in temperature from daily peaks, cooling down to an average of 45.3°F (7.4°C).Humidity
In Copiague, the average relative humidity in April is 74%.Rainfall
In Copiague, during April, the rain falls for 15.4 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Copiague, during the entire year, the rain falls for 158.8 days and collects up to 31.38" (797mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 0.3 snowfall days, in April, Copiague aggregates 0.08" (2mm) of snow. In Copiague, during the entire year, snow falls for 16.8 days and aggregates up to 4.17" (106mm) of snow.Daylight
The average length of the day in April is 13h and 19min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:18 pm. On the last day of April, sunrise is at 5:52 am and sunset at 7:49 pm EDT.
Sunshine
The average sunshine in April is 8.6h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 3 in April translates into this advice:
Take precautions - Protection against skin and eye damage is obliged. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's 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 are April temperatures?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
What is the average length of the day in April?
When is the sunrise / sunset in April in Copiague?
How many hours of sunshine does Copiague have in April?
What is the UV index intensity in April?
Average temperature in April
Copiague, NY
- Average high temperature in April: 52.7°F
The warmest months (with the highest average high temperature) are July and August (78.4°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in April: 45.3°F
The months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in April
Copiague, NY
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Copiague, NY
- Average wind speed in April: 12.1mph
The windiest month (with the highest average wind speed) is January (13.9mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).
Average humidity in April
Copiague, NY
- Average humidity in April: 74%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is November (71%).
Average rainfall in April
Copiague, NY
- Average rainfall in April: 2.6"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in April
Copiague, NY
- Average rainfall days in April: 15.4 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in April
Copiague, NY
- Average snowfall in April: 0.08"
The month with the highest snowfall is March (1.34").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Copiague, NY
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Copiague, NY
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in April
Copiague, NY
- Average sunshine days in April: 13.2 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in April
Copiague, NY
- Average UV index in April: 3
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 and December (UV index 2).
Average cloud cover in April
Copiague, NY
- Average cloud cover in April: 43
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in April
Copiague, 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).
Copiague, New York, USA
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