May weather forecast
Barnum Island, NY

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Weather in May

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

Temperature

The onset of May brings a rise in the average high-temperature, elevating from a fresh 52.9°F (11.6°C) in April to a refreshing 62.6°F (17°C). Barnum Island's nighttime temperature in May experiences a slight dip from daytime highs, falling to an average of 54.5°F (12.5°C).

Humidity

The months with the highest humidity in Barnum Island are May and June, with an average relative humidity of 78%.

Rainfall

In Barnum Island, during May, the rain falls for 16.5 days and regularly aggregates up to 3.35" (85mm) of precipitation. Throughout the year, in Barnum Island, there are 159.2 rainfall days, and 37.17" (944mm) of precipitation is accumulated.

Snowfall

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

Ocean temperature

In Barnum Island, in May, the average water temperature is 54.1°F (12.3°C).
Note: Dipping in 54.1°F (12.3°C) at temperatures less than 50°F (10°C) without proper gear can lead to pronounced cold shock and breathing difficulties.

Daylight

In May, the average length of the day is 14h and 28min.
On the first day of May in Barnum Island, sunrise is at 5:52 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:18 pm EDT.

Sunshine

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

UV index

In Barnum Island, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In May, an average UV index of 5 transforms into the following instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Frequently asked questions

What is the temperature in May in Barnum Island?

In Barnum Island, 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?

The months with the highest humidity in Barnum Island are May and June, with an average relative humidity of 78%.

What is the average humidity in May in Barnum Island?

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

How much does it rain in Barnum Island in May?

In May, in Barnum Island, New York, the rain falls for 16.5 days. Throughout May, 3.35" (85mm) of precipitation is accumulated.

When it does not snow in Barnum Island?

May through September are months without snowfall in Barnum Island.

Does it snow in Barnum Island in May?

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

What is the water temperature in May in Barnum Island?

In Barnum Island, New York, in May, the average water temperature is 54.1°F (12.3°C). Swimming in 54.1°F (12.3°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

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

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

When is the sunrise / sunset in May in Barnum Island?

On the first day of May in Barnum Island, New York, sunrise is at 5:52 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:18 pm EDT.

How long on average sun shines in May in Barnum Island?

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 Barnum Island, New York, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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 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 3min

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 May: 8h and 5min

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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Barnum Island, New York, USA

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