August weather forecast
New York, NY

The sunset view over skyscrapers in New York City, USA
The sunset view over skyscrapers in New York City, USA

Weather in August

The last month of the summer, August, is another warm month in New York, New York, with an average temperature fluctuating between 81.9°F (27.7°C) and 68.7°F (20.4°C).

Temperature

In New York, the average high-temperature in August is essentially the same as in July - a still warm 81.9°F (27.7°C). In New York, the average low-temperature is 68.7°F (20.4°C).

Heat index

In August, the average heat index is estimated at a tropical 86.2°F (30.1°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'real feel', or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like wind, differences in body mass, height, and shape, clothing, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The least humid month is August, with an average relative humidity of 70%.

Rainfall

In New York, during August, the rain falls for 16.9 days and regularly aggregates up to 3.7" (94mm) of precipitation. In New York, New York, during the entire year, the rain falls for 169 days and collects up to 36.65" (931mm) of precipitation.

Snowfall

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

Ocean temperature

With an average ocean temperature of 74.1°F (23.4°C), August is the month with the warmest seawater in New York.
Note: 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. (FYI: The official water temperature required for the Olympic swimming competition is 77°F (25°C) to 82.4°F (28°C).)

Daylight

In New York, the average length of the day in August is 13h and 45min.
On the first day of August in New York, sunrise is at 5:52 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:30 pm EDT.

Sunshine

The average sunshine in August in New York is 10.4h.

UV index

The months with the highest UV index in New York are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 6 in August interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in August in New York?

In August, in New York, New York, the average high-temperature is 81.9°F (27.7°C), and the average low-temperature is 68.7°F (20.4°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in August is estimated at 86.2°F (30.1°C).

What is the least humid month in New York?

August is the least humid month, with an average relative humidity of 70%.

What is the average humidity in August in New York?

The average relative humidity in August in New York is 70%.

How much does it rain in New York in August?

In New York, New York, in August, during 16.9 rainfall days, 3.7" (94mm) of precipitation is typically accumulated.

When it does not snow in New York?

May through October are months without snowfall in New York.

When is the ocean warmest in New York?

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

How warm is the water in August in New York?

In New York, the average seawater temperature in August is 74.1°F (23.4°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 74.1°F (23.4°C) water.

What is the average length of the day in August in New York?

The average day length in August is 13h and 45min.

When is the sunrise / sunset in August in New York?

On the first day of August in New York, sunrise is at 5:52 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:30 pm EDT.

How long on average sun shines in August in New York?

The average sunshine duration in August is 10.4h.

What is the month with the highest UV index in New York?

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

What is the UV index intensity in August in New York?

In New York, New York, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
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
New York, NY

Average temperature in August - New York, NY
  • Average high temperature in August: 81.9°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in August: 68.7°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in August
New York, NY

Average pressure in August - New York, 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
New York, NY

Average wind speed in August - New York, NY
  • Average wind speed in August: 6.7mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in August
New York, NY

Average humidity in August - New York, NY
  • Average humidity in August: 70%

The months with the highest relative humidity are February and December (76%).
The month with the lowest relative humidity is August (70%).

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Average rainfall in August
New York, NY

Average rainfall in August - New York, NY
  • Average rainfall in August: 3.7"

The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is January (2.17").

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Average rainfall days in August
New York, NY

Average rainfall days in August - New York, NY
  • Average rainfall days in August: 16.9 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is January (9.1 days).

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Average snowfall in August
New York, NY

Average snowfall in August - New York, NY
  • Average snowfall in August: 0"

The month with the highest snowfall is March (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
New York, NY

Average snowfall days in August - New York, NY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (5.8 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
New York, NY

Average sea temperature in August - New York, 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 (39.7°F).

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Average daylight in August /
Average sunshine in August
New York, NY

Average daylight in August / Average sunshine in August - New York, NY
  • Average daylight in August: 13h and 45min

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 19min).

  • Average sunshine in August: 10h and 24min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in August
New York, NY

Average sunshine days in August - New York, NY
  • Average sunshine days in August: 11.4 days

The month with the most sunshine days is January (17.9 days).
The month with the least sunshine days is June (9.8 days).

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Average UV index in August
New York, NY

Average UV index in August - New York, 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, November and December (UV index 2).

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Average cloud cover in August
New York, NY

Average cloud cover in August - New York, NY
  • Average cloud cover in August: 30

The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in August
New York, NY

Average visibility in August - New York, 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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