May weather forecast
Barnum Island, NY

Weather in May

May, the last month of the spring in Barnum Island, is a comfortable month, with temperature in the range of an average high of 62.6°F (17°C) and an average low of 54.5°F (12.5°C).

Temperature

In Barnum Island, New York, the average high-temperature in May increases from a fresh 52.9°F (11.6°C) in April to an enjoyable 62.6°F (17°C). In May, in Barnum Island, New York, the average low-temperature is 54.5°F (12.5°C).

Humidity

May and June, with an average relative humidity of 78%, are the most humid months.

Rainfall

In Barnum Island, during May, the rain falls for 16.5 days and regularly aggregates up to 3.35" (85mm) of precipitation. In Barnum Island, during the entire year, the rain falls for 159.2 days and collects up to 37.17" (944mm) of precipitation.

Snowfall

May through September are months without snowfall.

Ocean temperature

In Barnum Island, the average seawater temperature in May is 54.1°F (12.3°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

The average length of the day in May in Barnum Island is 14h and 28min.
On the first day of the month, sunrise is at 5:52 am and sunset at 7:50 pm. On the last day of May, in Barnum Island, sunrise is at 5:26 am and sunset at 8:18 pm EDT.

Sunshine

In May, the average sunshine in Barnum Island is 8.9h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 in May interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in May in Barnum Island?

In Barnum Island, New York, in May, the average high-temperature is 62.6°F (17°C), and the average low-temperature is 54.5°F (12.5°C).

What is the most humid month in Barnum Island?

May and June, with an average relative humidity of 78%, are most humid months.

What is the average humidity in May in Barnum Island?

In Barnum Island, the average relative humidity in May is 78%.

How many days does it rain in May in Barnum Island?

In Barnum Island, in May, during 16.5 rainfall days, 3.35" (85mm) of precipitation is typically accumulated.

When it does not snow in Barnum Island?

In Barnum Island, snow does not fall in May through September.

Does it snow in Barnum Island in May?

In May, in Barnum Island, it doesn't snow. April is the latest month when it typically snows.

What is the ocean temperature in May in Barnum Island?

In Barnum Island, in May, the average water temperature is 54.1°F (12.3°C). Swimming in 54.1°F (12.3°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 May?

The average day length in May in Barnum Island, New York, is 14h and 28min.

What time are sunrise and sunset in May in Barnum Island?

In May, on the first day of the month, sunrise is at 5:52 am and sunset at 7:50 pm. On the last day of the month, in Barnum Island, sunrise is at 5:26 am and sunset at 8:18 pm EDT.

How many hours of sunshine does Barnum Island have in May?

The average sunshine duration in May in Barnum Island, New York, is 8.9h.

What is the UV index intensity in May in Barnum Island?

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Barnum Island, NY

Average temperature in May - Barnum Island, NY
  • Average high temperature in May: 62.6°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 May: 54.5°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).

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Average pressure in May
Barnum Island, NY

Average pressure in May - Barnum Island, NY
  • Average pressure in May: 30.01"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).

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Average wind speed in May
Barnum Island, NY

Average wind speed in May - Barnum Island, NY
  • Average wind speed in May: 10.1mph

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).

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Average humidity in May
Barnum Island, NY

Average humidity in May - Barnum Island, NY
  • Average humidity in May: 78%

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

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Average rainfall in May
Barnum Island, NY

Average rainfall in May - Barnum Island, NY
  • Average rainfall in May: 3.35"

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

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Average rainfall days in May
Barnum Island, NY

Average rainfall days in May - Barnum Island, NY
  • Average rainfall days in May: 16.5 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).

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Average snowfall in May
Barnum Island, NY

Average snowfall in May - Barnum Island, NY
  • Average snowfall in May: 0"

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

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Average snowfall days in May
Barnum Island, NY

Average snowfall days in May - Barnum Island, NY
  • Average snowfall days in May: 0 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).

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Average sea temperature in May
Barnum Island, NY

Average sea temperature in May - Barnum Island, NY
  • Average sea temperature in May: 54.1°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).

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Average daylight in May /
Average sunshine in May
Barnum Island, NY

Average daylight in May / Average sunshine in May - Barnum Island, NY
  • Average daylight in May: 14h and 28min

The month with the longest days is June (Average daylight: 15h and 2min).
The month with the shortest days is December (Average daylight: 9h and 20min).

  • Average sunshine in May: 8h and 54min

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).

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Average sunshine days in May
Barnum Island, NY

Average sunshine days in May - Barnum Island, NY
  • Average sunshine days in May: 12.8 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).

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Average UV index in May
Barnum Island, NY

Average UV index in May - Barnum Island, NY
  • Average UV index in May: 5

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).

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Average cloud cover in May
Barnum Island, NY

Average cloud cover in May - Barnum Island, NY
  • Average cloud cover in May: 41

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in May
Barnum Island, NY

Average visibility in May - Barnum Island, NY
  • Average visibility in May: 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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