August weather forecast
West Sayville, NY

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Weather in August

The last month of the summer, August, is also a moderately hot month in West Sayville, New York, with an average temperature ranging between max 78.1°F (25.6°C) and min 71.8°F (22.1°C).

Temperature

In West Sayville, the peak temperatures are generally noted in August, averaging a high of 78.1°F (25.6°C) and a low of 71.8°F (22.1°C).

Humidity

The average relative humidity in August is 74%.

Rainfall

In West Sayville, New York, in August, during 15.7 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. Throughout the year, there are 155.3 rainfall days, and 34.84" (885mm) of precipitation is accumulated.

Snowfall

In West Sayville, snow does not fall in April, June through September and November.

Ocean temperature

August is the month with the warmest seawater, with an average ocean temperature of 73.9°F (23.3°C).
Note: For someone not comfortable with cold, swimming in 73.9°F (23.3°C) waters might be a stretch. However, with favorable conditions like abundant sunshine, mild wind, and warm air temperatures, the experience can be improved. And while wetsuits are not a must, they can be considered.

Daylight

In West Sayville, the average length of the day in August is 13h and 45min.
On the first day of August, sunrise is at 5:49 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 7:25 pm EDT.

Sunshine

The average sunshine in August in West Sayville is 10.7h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: A maximum high UV index of 6 in August translates into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. 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. Attention! The reflection of both water and sand can increase the intensity of UV rays.
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Frequently asked questions

What part of the year is the hottest in West Sayville?

With its average high temperature of 78.1°F (25.6°C) and a low of 71.8°F (22.1°C), August is regarded as the warmest month in West Sayville.

What are August temperatures in West Sayville?

The average high-temperature and low-temperature in West Sayville during August are 78.1°F (25.6°C) and 71.8°F (22.1°C) respectively.

What is the average humidity in August in West Sayville?

The average relative humidity in August in West Sayville, New York, is 74%.

How many days does it rain in August in West Sayville?

In August, the rain falls for 15.7 days. Throughout August, 3.27" (83mm) of precipitation is accumulated.

When it does not snow in West Sayville?

In West Sayville, New York, snow does not fall in April, June through September and November.

What month is the ocean warmest in West Sayville?

With an average ocean temperature of 73.9°F (23.3°C), August is the month with the warmest seawater in West Sayville.

What is the ocean temperature in August in West Sayville?

In August, the average ocean temperature is 73.9°F (23.3°C). 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 73.9°F (23.3°C).

What is the average length of the day in August in West Sayville?

In West Sayville, New York, the average day length in August is 13h and 45min.

When are sunrise and sunset in August in West Sayville?

On the first day of August in West Sayville, sunrise is at 5:49 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 7:25 pm EDT.

How many hours of sunshine does West Sayville have in August?

In West Sayville, New York, the average sunshine duration in August is 10.7h.

What is the month with the highest UV index in West Sayville?

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

How high is the UV index in August in West Sayville?

In West Sayville, New York, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe 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 August
West Sayville, NY

Average temperature in August - West Sayville, NY
  • Average high temperature in August: 78.1°F

The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is January (37.9°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 (30.2°F).

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Average pressure in August
West Sayville, NY

Average pressure in August - West Sayville, NY
  • Average pressure in August: 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 August
West Sayville, NY

Average wind speed in August - West Sayville, NY
  • Average wind speed in August: 9mph

The windiest month (with the highest average wind speed) is January (13.8mph).
The calmest months (with the lowest average wind speed) are July and August (9mph).

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Average humidity in August
West Sayville, NY

Average humidity in August - West Sayville, NY
  • Average humidity in August: 74%

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
West Sayville, NY

Average rainfall in August - West Sayville, NY
  • Average rainfall in August: 3.27"

The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is January (2.17").

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Average rainfall days in August
West Sayville, NY

Average rainfall days in August - West Sayville, NY
  • Average rainfall days in August: 15.7 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in August
West Sayville, NY

Average snowfall in August - West Sayville, NY
  • Average snowfall in August: 0"

The month with the highest snowfall is March (2.13").
The months with the least snowfall are April, June, July, August, September and November (0").

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Average snowfall days in August
West Sayville, NY

Average snowfall days in August - West Sayville, NY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in August
West Sayville, NY

Average sea temperature in August - West Sayville, NY
  • Average sea temperature in August: 74°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 August /
Average sunshine in August
West Sayville, NY

Average daylight in August / Average sunshine in August - West Sayville, NY
  • Average daylight in August: 13h and 4min

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 August: 10h 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).

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Average sunshine days in August
West Sayville, NY

Average sunshine days in August - West Sayville, NY
  • Average sunshine days in August: 12.3 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in August
West Sayville, NY

Average UV index in August - West Sayville, 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
West Sayville, NY

Average cloud cover in August - West Sayville, 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
West Sayville, NY

Average visibility in August - West Sayville, 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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West Sayville, New York, USA

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