April weather forecast
Cold Spring Harbor, NY

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Weather in April

April is a fresh spring month in Cold Spring Harbor, New York, with temperature in the range of an average low of 45°F (7.2°C) and an average high of 54°F (12.2°C).

Temperature

April comes with an increase, with the average high-temperature moving from a chilly 44.4°F (6.9°C) in March to a fresh 54°F (12.2°C). During the nights of April, Cold Spring Harbor records an average temperature of 45°F (7.2°C), a minor drop from daytime peaks.

Humidity

In Cold Spring Harbor, the average relative humidity in April is 73%.

Rainfall

In Cold Spring Harbor, New York, in April, it is raining for 13.8 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, there are 152.5 rainfall days, and 35.04" (890mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Cold Spring Harbor are January through April, November and December. April is the last month it regularly snows. During 0.2 snowfall days, in April, Cold Spring Harbor aggregates 0.04" (1mm) of snow. In Cold Spring Harbor, during the entire year, snow falls for 15.5 days and aggregates up to 5.71" (145mm) of snow.

Ocean temperature

In April, the average ocean temperature is 45.3°F (7.4°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

In Cold Spring Harbor, the average length of the day in April is 13h and 20min.
On the first day of April, sunrise is at 6:35 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 7:49 pm EDT.

Sunshine

The average sunshine in April in Cold Spring Harbor, New York, is 8.6h.

UV index

In Cold Spring Harbor, 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 radiation for the average person.
Note: In April, the UV index of 3 transforms into the following advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are April temperatures in Cold Spring Harbor?

In Cold Spring Harbor, in April, the average high-temperature is 54°F (12.2°C), and the average low-temperature is 45°F (7.2°C).

What is the average humidity in April in Cold Spring Harbor?

The average relative humidity in April is 73%.

How much does it rain in Cold Spring Harbor in April?

In Cold Spring Harbor, in April, it is raining for 13.8 days, with typically 2.87" (73mm) of accumulated precipitation.

What is the last month it snows in Cold Spring Harbor?

April is the last month it regularly snows. During 0.2 snowfall days, in April, Cold Spring Harbor aggregates 0.04" (1mm) of snow.

What is the water temperature in April in Cold Spring Harbor?

In Cold Spring Harbor, New York, in April, the average water temperature is 45.3°F (7.4°C). Swimming in 45.3°F (7.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in April in Cold Spring Harbor?

In Cold Spring Harbor, the average day length in April is 13h and 20min.

When are sunrise and sunset in April in Cold Spring Harbor?

On the first day of April in Cold Spring Harbor, sunrise is at 6:35 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 7:49 pm EDT.

How long on average sun shines in April in Cold Spring Harbor?

The average sunshine duration in April is 8.6h.

What is the UV index intensity in April in Cold Spring Harbor?

In April, the average daily maximum UV index in Cold Spring Harbor, New York, is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
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
Cold Spring Harbor, NY

Average temperature in April - Cold Spring Harbor, NY
  • Average high temperature in April: 54°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in April: 45°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).

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Average pressure in April
Cold Spring Harbor, NY

Average pressure in April - Cold Spring Harbor, 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).

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Average wind speed in April
Cold Spring Harbor, NY

Average wind speed in April - Cold Spring Harbor, NY
  • Average wind speed in April: 10.6mph

The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).

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Average humidity in April
Cold Spring Harbor, NY

Average humidity in April - Cold Spring Harbor, NY
  • Average humidity in April: 73%

The months with the highest relative humidity are May and June (76%).
The month with the lowest relative humidity is November (71%).

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Average rainfall in April
Cold Spring Harbor, NY

Average rainfall in April - Cold Spring Harbor, NY
  • Average rainfall in April: 2.87"

The wettest month (with the highest rainfall) is July (4.09").
The driest month (with the least rainfall) is January (2.09").

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Average rainfall days in April
Cold Spring Harbor, NY

Average rainfall days in April - Cold Spring Harbor, NY
  • Average rainfall days in April: 13.8 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.1 days).

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Average snowfall in April
Cold Spring Harbor, NY

Average snowfall in April - Cold Spring Harbor, NY
  • Average snowfall in April: 0.04"

The month with the highest snowfall is March (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in April
Cold Spring Harbor, NY

Average snowfall days in April - Cold Spring Harbor, NY
  • Average snowfall days in April: 0.2 days

The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in April
Cold Spring Harbor, NY

Average sea temperature in April - Cold Spring Harbor, NY
  • Average sea temperature in April: 45.4°F

The best month for swimming (with the highest average sea temperature) is August (74°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).

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Average daylight in April /
Average sunshine in April
Cold Spring Harbor, NY

Average daylight in April / Average sunshine in April - Cold Spring Harbor, 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 4min

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).

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Average sunshine days in April
Cold Spring Harbor, NY

Average sunshine days in April - Cold Spring Harbor, NY
  • Average sunshine days in April: 14.9 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.4 days).

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Average UV index in April
Cold Spring Harbor, NY

Average UV index in April - Cold Spring Harbor, 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, November and December (UV index 2).

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Average cloud cover in April
Cold Spring Harbor, NY

Average cloud cover in April - Cold Spring Harbor, NY
  • Average cloud cover in April: 43

The month with the most cloud cover is December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 29).

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Average visibility in April
Cold Spring Harbor, NY

Average visibility in April - Cold Spring Harbor, 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).

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Cold Spring Harbor, New York, USA

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