August weather forecast
Barnum Island, NY

Weather in August

The last month of the summer, August, is another warm month in Barnum Island, New York, with an average temperature fluctuating between 71.8°F (22.1°C) and 78.4°F (25.8°C).

Temperature

In Barnum Island, the average high-temperature in August is almost the same as in July - a still moderately hot 78.4°F (25.8°C). The average low-temperature, in Barnum Island, is 71.8°F (22.1°C).

Humidity

In Barnum Island, the average relative humidity in August is 73%.

Rainfall

In Barnum Island, during 16.2 rainfall days, 3.86" (98mm) of precipitation is typically accumulated. Throughout the year, in Barnum Island, there are 159.2 rainfall days, and 37.17" (944mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Barnum Island.

Ocean temperature

The month with the warmest seawater is August, with an average ocean temperature of 74.1°F (23.4°C).
Note: For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 74.1°F (23.4°C).

Daylight

The average length of the day in August is 13h and 44min.
On the first day of August, sunrise is at 5:51 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:28 pm EDT.

Sunshine

In Barnum Island, the average sunshine in August is 10.6h.

UV index

The months with the highest UV index in Barnum Island are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 6 in August interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the average humidity in August in Barnum Island?

The average relative humidity in August in Barnum Island, New York, is 73%.

How much does it rain in Barnum Island in August?

In Barnum Island, New York, in August, it is raining for 16.2 days, with typically 3.86" (98mm) of accumulated precipitation.

When it does not snow in Barnum Island?

May through September are months without snowfall in Barnum Island, New York.

What month is the ocean warmest in Barnum Island?

With an average ocean temperature of 74.1°F (23.4°C), August is the month with the warmest seawater.

How warm is the water in August in Barnum Island?

In Barnum Island, New York, the average seawater temperature in August is 74.1°F (23.4°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 74.1°F (23.4°C) water may be enjoyable.

What is the average length of the day in August in Barnum Island?

In Barnum Island, the average day length in August is 13h and 44min.

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

On the first day of August in Barnum Island, New York, sunrise is at 5:51 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:28 pm EDT.

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

The average sunshine duration in August in Barnum Island, New York, is 10.6h.

What is the month with the highest UV index in Barnum Island?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the UV index reading in August in Barnum Island?

In August, the average daily maximum UV index in Barnum Island, New York, is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Barnum Island, NY

Average temperature in August - Barnum Island, NY
  • Average high temperature in August: 78.4°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 August: 71.8°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 August
Barnum Island, NY

Average pressure in August - Barnum Island, NY
  • Average pressure in August: 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).

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Average wind speed in August
Barnum Island, NY

Average wind speed in August - Barnum Island, NY
  • Average wind speed in August: 9.1mph

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 August
Barnum Island, NY

Average humidity in August - Barnum Island, NY
  • Average humidity in August: 73%

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 August
Barnum Island, NY

Average rainfall in August - Barnum Island, NY
  • Average rainfall in August: 3.86"

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 August
Barnum Island, NY

Average rainfall days in August - Barnum Island, NY
  • Average rainfall days in August: 16.2 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 August
Barnum Island, NY

Average snowfall in August - Barnum Island, NY
  • Average snowfall in August: 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 August
Barnum Island, NY

Average snowfall days in August - Barnum Island, NY
  • Average snowfall days in August: 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 August
Barnum Island, NY

Average sea temperature in August - Barnum Island, NY
  • Average sea temperature in August: 74.1°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 August /
Average sunshine in August
Barnum Island, NY

Average daylight in August / Average sunshine in August - Barnum Island, NY
  • Average daylight in August: 13h and 44min

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 August: 10h and 36min

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 August
Barnum Island, NY

Average sunshine days in August - Barnum Island, NY
  • Average sunshine days in August: 12.3 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 August
Barnum Island, NY

Average UV index in August - Barnum Island, NY
  • Average UV index in August: 6

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 August
Barnum Island, NY

Average cloud cover in August - Barnum Island, NY
  • Average cloud cover in August: 27

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 August
Barnum Island, NY

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