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 sea temperature 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
The arrival of April signals a slight increase in the average high-temperature, moving from a frosty 44.1°F (6.7°C) in March to a cool 52.7°F (11.5°C). Nighttime temperature sees a small decrement from daytime highs, dipping to an average of 45.3°F (7.4°C) during April.Humidity
The average relative humidity in April in Seaford is 74%.Rainfall
In April, in Seaford, the rain falls for 15.4 days. Throughout April, 2.6" (66mm) of precipitation is accumulated. In Seaford, during the entire year, the rain falls for 158.8 days and collects up to 31.38" (797mm) of precipitation.Snowfall
Months with snowfall in Seaford are January through April, October through December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Seaford aggregates 0.08" (2mm) of snow. Throughout the year, there are 16.8 snowfall days, and 4.17" (106mm) of snow is accumulated.Ocean temperature
In Seaford, the average seawater temperature in April is 46°F (7.8°C).Note: Swimming at temperatures less than 50°F (10°C) in 46°F (7.8°C) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. A quick swim at 55.4°F (13°C) without adequate warmth can be discomforting.
Daylight
In Seaford, the average length of the day in April is 13h and 19min.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, sunrise is at 5:52 am and sunset at 7:49 pm EDT.
Sunshine
In Seaford, the average sunshine in April is 8.6h.UV index
In Seaford, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 3 in April interprets into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What is the usual temperature for Seaford in April?
What is the average humidity in April in Seaford?
How much does it rain in Seaford in April?
What is the last month it snows in Seaford?
What is the water temperature in April in Seaford?
How many hours of daylight does Seaford have in April?
When is the sunrise / sunset in April in Seaford?
How long on average sun shines in April in Seaford?
What is the UV index intensity in April in Seaford?
Average temperature in April
Seaford, 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
Seaford, 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
Seaford, 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
Seaford, 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
Seaford, 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
Seaford, 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
Seaford, 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
Seaford, 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 sea temperature in April
Seaford, NY
- Average sea temperature in April: 46°F
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).
Average daylight in April /
Average sunshine in April
Seaford, 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
Seaford, 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
Seaford, 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
Seaford, 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
Seaford, 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).
Seaford, New York, USA
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