August weather forecast
Montauk, NY

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The shores of The Atlantic Ocean with a far view of the Montauk Point Lighthouse, in Montauk, New York
The shores of The Atlantic Ocean with a far view of the Montauk Point Lighthouse, in Montauk, New York

Weather in August

In August, there's hardly a letup in temperatures from July, as maximum temperatures reach a high of 74.8°F (23.8°C). Montauk's weather remains predominantly sunny, resultantly melting any lingering clouds away. The combined warmth of the sun and increased sea temperatures contribute to numerous beach activities dominating this month. Although August does not witness any significant climatic changes, it retains the summer's buzzy atmosphere, a continuation of July’s vibrant lifestyle.

Temperature

In Montauk, the highest average temperatures are observed in August, with a high of 74.8°F (23.8°C) and a low of 70.9°F (21.6°C).

Humidity

The average relative humidity in August in Montauk, New York, is 79%.

Rainfall

In August, in Montauk, the rain falls for 14.8 days. Throughout August, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 156.7 rainfall days, and 34.45" (875mm) of precipitation is accumulated.

Snowfall

May through November are months without snowfall.

Ocean temperature

August is the month with the warmest seawater, with an average ocean temperature of 70.3°F (21.3°C).
Note: Most people find it challenging to enjoy swimming in water that is 70.3°F (21.3°C). As water temperature falls below 69.8°F (21°C), controlling breathing grows increasingly difficult.

Daylight

In Montauk, the average length of the day in August is 13h and 46min.
On the first day of the month, sunrise is at 5:44 am and sunset at 8:03 pm. On the last day of August, in Montauk, sunrise is at 6:14 am and sunset at 7:21 pm EDT.

Sunshine

August has the most sunshine of the year, with an average of 10.7h of sunshine.

UV index

The months with the highest UV index in Montauk 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 rays for the ordinary person.
Note: The maximum daily UV index of 6 in August converts into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.
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Frequently asked questions

What is the warmest month in Montauk?

August, with its average high-temperature of 74.8°F (23.8°C) and an average low-temperature of 70.9°F (21.6°C), holds the record as the warmest month in Montauk.

What is the average August temperature in Montauk?

The average high-temperature and low-temperature during August are 74.8°F (23.8°C) and 70.9°F (21.6°C) respectively.

What is the average humidity in August in Montauk?

In Montauk, the average relative humidity in August is 79%.

How many days does it rain in August in Montauk?

In Montauk, New York, in August, it is raining for 14.8 days, with typically 2.48" (63mm) of accumulated precipitation.

When it does not snow in Montauk?

In Montauk, New York, snow does not fall in May through November.

When is the ocean warmest in Montauk?

August is the month with the warmest seawater in Montauk, New York, with an average ocean temperature of 70.3°F (21.3°C).

What is the ocean temperature in August in Montauk?

In August, the average ocean temperature is 70.3°F (21.3°C). Swimming in 70.3°F (21.3°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the average length of the day in August in Montauk?

The average day length in August is 13h and 46min.

When are sunrise and sunset in August in Montauk?

On the first day of August in Montauk, sunrise is at 5:44 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 7:21 pm EDT.

What month has the most sunshine in Montauk?

The month with the most sunshine is August, with an average of 10.7h of sunshine.

How many hours of sunshine does Montauk have in August?

The average sunshine duration in August is 10.7h.

What are the months with the highest UV index in Montauk?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Montauk, New York.

How high is the UV index in August in Montauk?

In August, the average daily maximum UV index in Montauk is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
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
Montauk, NY

Average temperature in August - Montauk, NY
  • Average high temperature in August: 74.8°F

The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in August: 70.9°F

The month with the highest average low temperature is August (70.9°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).

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Average pressure in August
Montauk, NY

Average pressure in August - Montauk, NY
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Montauk, NY

Average wind speed in August - Montauk, NY
  • Average wind speed in August: 11.3mph

The windiest month (with the highest average wind speed) is January (16.7mph).
The calmest month (with the lowest average wind speed) is July (11.1mph).

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Average humidity in August
Montauk, NY

Average humidity in August - Montauk, NY
  • Average humidity in August: 79%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is November (73%).

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Average rainfall in August
Montauk, NY

Average rainfall in August - Montauk, NY
  • Average rainfall in August: 2.48"

The wettest month (with the highest rainfall) is December (4.02").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in August
Montauk, NY

Average rainfall days in August - Montauk, NY
  • Average rainfall days in August: 14.8 days

The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (9.9 days).

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Average snowfall in August
Montauk, NY

Average snowfall in August - Montauk, NY
  • Average snowfall in August: 0"

The month with the highest snowfall is March (2.24").
The months with the least snowfall are May, June, July, August, September, October and November (0").

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Average snowfall days in August
Montauk, NY

Average snowfall days in August - Montauk, NY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in August
Montauk, NY

Average sea temperature in August - Montauk, NY
  • Average sea temperature in August: 70.3°F

The best month for swimming (with the highest average sea temperature) is August (70.3°F).
The coldest month (with the lowest average sea temperature) is February (37.9°F).

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Average daylight in August /
Average sunshine in August
Montauk, NY

Average daylight in August / Average sunshine in August - Montauk, NY
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
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 August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

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Average sunshine days in August
Montauk, NY

Average sunshine days in August - Montauk, NY
  • Average sunshine days in August: 14 days

The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is February (12.4 days).

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Average UV index in August
Montauk, NY

Average UV index in August - Montauk, 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
Montauk, NY

Average cloud cover in August - Montauk, NY
  • Average cloud cover in August: 27

The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in August
Montauk, NY

Average visibility in August - Montauk, 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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Montauk, New York, USA

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