April weather forecast
Locust Valley, NY

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Weather in April

April in Locust Valley, New York, is a cool spring month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 55°F (12.8°C).

Temperature

Locust Valley's April weather brings a rise in high-temperatures, moving from a chilly 45.1°F (7.3°C) in March to a fresh 55°F (12.8°C). Throughout April, Locust Valley witnesses a consistent average low-temperature of 44.2°F (6.8°C).

Humidity

In Locust Valley, the average relative humidity in April is 72%.

Rainfall

In Locust Valley, in April, during 16.1 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. In Locust Valley, New York, during the entire year, the rain falls for 165.9 days and collects up to 37.56" (954mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. April is the last month it regularly snows in Locust Valley. During 0.3 snowfall days, in April, Locust Valley aggregates 0.08" (2mm) of snow. Throughout the year, in Locust Valley, there are 22.2 snowfall days, and 7.24" (184mm) of snow is accumulated.

Daylight

In April, the average length of the day in Locust Valley 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, sunrise is at 5:52 am and sunset at 7:50 pm EDT.

Sunshine

The average sunshine in April in Locust Valley is 8.5h.

UV index

In Locust Valley, New York, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In April, the maximum UV index of 4 translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Locust Valley in April?

The high-temperature, in April, in Locust Valley, records 55°F (12.8°C), while the low-temperature is 44.2°F (6.8°C).

What is the average humidity in April in Locust Valley?

In Locust Valley, New York, the average relative humidity in April is 72%.

How many days does it rain in April in Locust Valley?

In April, the rain falls for 16.1 days. Throughout April, 3.23" (82mm) of precipitation is accumulated.

What is the last month it snows in Locust Valley?

April is the last month it regularly snows. During 0.3 snowfall days, in April, Locust Valley aggregates 0.08" (2mm) of snow.

What is the average length of the day in April in Locust Valley?

The average day length in April is 13h and 20min.

When are sunrise and sunset in April in Locust Valley?

In April, on the first day of the month, sunrise is at 6:36 am and sunset at 7:19 pm. On the last day of the month, in Locust Valley, sunrise is at 5:52 am and sunset at 7:50 pm EDT.

How many hours of sunshine does Locust Valley have in April?

The average sunshine duration in April is 8.5h.

What is the UV index reading in April in Locust Valley?

The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Locust Valley, NY

Average temperature in April - Locust Valley, 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
Locust Valley, NY

Average pressure in April - Locust Valley, 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
Locust Valley, NY

Average wind speed in April - Locust Valley, 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
Locust Valley, NY

Average humidity in April - Locust Valley, 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
Locust Valley, NY

Average rainfall in April - Locust Valley, 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
Locust Valley, NY

Average rainfall days in April - Locust Valley, 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
Locust Valley, NY

Average snowfall in April - Locust Valley, 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
Locust Valley, NY

Average snowfall days in April - Locust Valley, 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
Locust Valley, NY

Average daylight in April / Average sunshine in April - Locust Valley, NY
  • Average daylight in April: 13h and 2min

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 3min

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
Locust Valley, NY

Average sunshine days in April - Locust Valley, 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
Locust Valley, NY

Average UV index in April - Locust Valley, 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
Locust Valley, NY

Average cloud cover in April - Locust Valley, 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
Locust Valley, NY

Average visibility in April - Locust Valley, 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).

Locust Valley, New York, USA

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