April weather forecast
Barnum Island, NY

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Weather in April

April in Barnum Island, New York, is a fresh spring month, with an average temperature varying between 52.9°F (11.6°C) and 45.1°F (7.3°C).

Temperature

Barnum Island's April weather indicates a minor increase in high-temperatures, edging from March's chilly 44.2°F (6.8°C) to a fresh 52.9°F (11.6°C). April introduces a small decrease to a nighttime average of 45.1°F (7.3°C).

Humidity

The average relative humidity in April is 74%.

Rainfall

In Barnum Island, in April, during 14.8 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, there are 159.2 rainfall days, and 37.17" (944mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Barnum Island aggregates 0.04" (1mm) of snow. Throughout the year, there are 15.3 snowfall days, and 5.04" (128mm) of snow is accumulated.

Ocean temperature

In April, the average ocean temperature is 46°F (7.8°C).
Note: Staying in 46°F (7.8°C) waters for just a few moments at 55.4°F (13°C) can be harrowing, and below 50°F (10°C) poses breathing and cold shock risks, depending on individual tolerance.

Daylight

In April, the average length of the day 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 5:53 am and sunset at 7:49 pm EDT.

Sunshine

In Barnum Island, the average sunshine in April is 8.6h.

UV index

The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 4 in April translates into these instructions:
Adopt protective measures - It is advised to guard against sun damage. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Barnum Island in April?

The high-temperature, in April, in Barnum Island, is 52.9°F (11.6°C), while the low-temperature averages to 45.1°F (7.3°C).

What is the average humidity in April?

In April, the average relative humidity in Barnum Island is 74%.

How much does it rain in Barnum Island in April?

In Barnum Island, during April, the rain falls for 14.8 days and regularly aggregates up to 3.11" (79mm) of precipitation.

What is the last month it snows?

April is the last month it regularly snows. During 0.3 snowfall days, in April, Barnum Island aggregates 0.04" (1mm) of snow.

How cold is the water in April?

In April, the average ocean temperature is 46°F (7.8°C). Swimming in 46°F (7.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Barnum Island have in April?

In April, the average day length is 13h and 19min.

When are sunrise and sunset in April?

On the first day of April, sunrise is at 6:36 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:49 pm EDT.

How long on average sun shines in April?

The average sunshine duration in April is 8.6h.

What is the UV index intensity in April?

In Barnum Island, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Barnum Island, NY

Average temperature in April - Barnum Island, NY
  • Average high temperature in April: 52.9°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in April: 45.1°F

The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

Average pressure in April
Barnum Island, NY

Average pressure in April - Barnum Island, 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
Barnum Island, NY

Average wind speed in April - Barnum Island, NY
  • Average wind speed in April: 11.8mph

The windiest month (with the highest average wind speed) is January (13.6mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).

Average humidity in April
Barnum Island, NY

Average humidity in April - Barnum Island, NY
  • Average humidity in April: 74%

The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).

Average rainfall in April
Barnum Island, NY

Average rainfall in April - Barnum Island, NY
  • Average rainfall in April: 3.11"

The wettest month (with the highest rainfall) is July (4.17").
The driest month (with the least rainfall) is January (2.17").

Average rainfall days in April
Barnum Island, NY

Average rainfall days in April - Barnum Island, NY
  • Average rainfall days in April: 14.8 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in April
Barnum Island, NY

Average snowfall in April - Barnum Island, NY
  • Average snowfall in April: 0.04"

The month with the highest snowfall is March (1.5").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April
Barnum Island, NY

Average snowfall days in April - Barnum Island, NY
  • Average snowfall days in April: 0.3 days

The months with the highest number of snowfall days are January and February (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average sea temperature in April
Barnum Island, NY

Average sea temperature in April - Barnum Island, 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
Barnum Island, NY

Average daylight in April / Average sunshine in April - Barnum Island, 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
Barnum Island, NY

Average sunshine days in April - Barnum Island, NY
  • Average sunshine days in April: 14.4 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (10.7 days).

Average UV index in April
Barnum Island, NY

Average UV index in April - Barnum Island, 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 and December (UV index 2).

Average cloud cover in April
Barnum Island, NY

Average cloud cover in April - Barnum Island, 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
Barnum Island, NY

Average visibility in April - Barnum Island, 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).

Barnum Island, New York, USA

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