April weather forecastYaphank, NY
April
Weather in April
April in Yaphank, New York, is a cool spring month, with an average temperature fluctuating between 44.6°F (7°C) and 51.4°F (10.8°C).Temperature
April's arrival is noted with a slight increase in the average high-temperature, moving from a chilly 43.3°F (6.3°C) in March to a cool 51.4°F (10.8°C). Yaphank, during April nights, witnesses an average temperature marginally cooler than its daytime highs, at a frosty 44.6°F (7°C).Humidity
In April, the average relative humidity is 75%.Rainfall
In April, the rain falls for 14.8 days. Throughout April, 2.52" (64mm) of precipitation is accumulated. In Yaphank, during the entire year, the rain falls for 156.2 days and collects up to 30.2" (767mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.3 snowfall days, in April, Yaphank aggregates 0.04" (1mm) of snow. In Yaphank, during the entire year, snow falls for 17.9 days and aggregates up to 4.57" (116mm) of snow.Daylight
In Yaphank, the average length of the day in April is 13h and 20min.On the first day of April, sunrise is at 6:33 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 7:47 pm EDT.
Sunshine
In April, the average sunshine is 8.7h.UV index
The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In April, the maximum UV index of 3 translates into these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Yaphank, NY
- Average high temperature in April: 51.4°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in April: 44.6°F
The months with the highest average low temperature are July and August (71.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in April
Yaphank, 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
Yaphank, NY
- Average wind speed in April: 12.6mph
The windiest month (with the highest average wind speed) is January (14.5mph).
The calmest months (with the lowest average wind speed) are July and August (9.6mph).
Average humidity in April
Yaphank, NY
- Average humidity in April: 75%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is November (71%).
Average rainfall in April
Yaphank, NY
- Average rainfall in April: 2.52"
The wettest month (with the highest rainfall) is December (3.31").
The driest months (with the least rainfall) are January, February and September (2.01").
Average rainfall days in April
Yaphank, NY
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (9 days).
Average snowfall in April
Yaphank, NY
- Average snowfall in April: 0.04"
The month with the highest snowfall is January (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Yaphank, NY
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (5.4 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
Yaphank, 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 42min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in April
Yaphank, NY
- Average sunshine days in April: 13.1 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in April
Yaphank, 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
Yaphank, NY
- Average cloud cover in April: 43
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in April
Yaphank, 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).
