August weather forecast and climate
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

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

Temperature

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

Heat index

In August, the average heat index is estimated at a hot 86.2°F (30.1°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the 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 'apparent temperature', 'real feel', 'felt air temperature', or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, wind, clothing). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

August is the least humid month, 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. Throughout the year, there are 169 rainfall days, and 36.65" (931mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in New York.

Ocean temperature

With an average ocean temperature of 74.1°F (23.4°C), August is the month with the warmest seawater.
Note: 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. (FYI: The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).)

Daylight

The average length of the day in New York is 13.7h.

Sunshine

In August, the average sunshine in New York is 10.4h.

UV index

Months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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 New York, New York, in August, the average high-temperature is 81.9°F (27.7°C), and the average low-temperature is 68.7°F (20.4°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), that calculates temperature value influenced by the moisture in the air, is evaluated at 86.2°F (30.1°C).

What is the least humid month in New York?

August is the least humid month in New York, 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, it is raining for 16.9 days, with typically 3.7" (94mm) of accumulated precipitation.

When it does not snow in New York?

May through October are months without snowfall in New York, New York.

What is the month with the warmest ocean in New York?

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

What is the ocean temperature in August in New York?

In New York, New York, in August, the average water temperature is 74.1°F (23.4°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 74.1°F (23.4°C).

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

In August, the average length of the day in New York, New York, is 13.7h.

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

The average sunshine in August is 10.4h.

When is the highest UV index in New York?

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

How high is the UV index in August in New York?

In August, the average daily maximum UV index in New York, New York, is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to the UV radiation.

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"

The month with the highest atmospheric pressure is November (30.1").
The month with the lowest atmospheric pressure is June (29.93").

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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%

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").
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).
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: 13.7h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in August: 10.4h

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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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

Months with the highest UV index are June, July and August (UV index 6).
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

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

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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