August weather forecast
Brooklyn, NY

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Weather in August

Although August presents near equal temperatures as the month prior in Brooklyn, it does bring slightly cooler nights. The daylight hours begin to decrease, indicating the creeping arrival of the autumn season. However, it is too soon for the warm summer days to fade. August retains the summer heat spread between temperatures of 70°F (21.1°C) and 80.2°F (26.8°C). As the weather transitions into the month of September, the signs of summer begin to dwindle.

Temperature

Welcoming August, Brooklyn notes an average high-temperature of a still warm 80.2°F (26.8°C), nearly consistent with July's 81.5°F (27.5°C). An average nighttime temperature of 70°F (21.1°C) is recorded in Brooklyn, New York, during August.

Humidity

The months with the lowest humidity are August and November, with an average relative humidity of 72%.

Rainfall

In Brooklyn, in August, it is raining for 11.7 days, with typically 1.22" (31mm) of accumulated precipitation. In Brooklyn, during the entire year, the rain falls for 110.8 days and collects up to 10.39" (264mm) of precipitation.

Snowfall

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

Ocean temperature

The month with the warmest seawater is August, with an average ocean temperature of 74.1°F (23.4°C).
Note: Swimming in 74.1°F (23.4°C) can be enjoyable or not, depending on how you feel about the cold and conditions such as sunshine, wind, and the day's temperature. FYI: Olympic standards dictate waters of 77°F (25°C) to 82.4°F (28°C).

Daylight

In Brooklyn, the average length of the day in August is 13h and 44min.
On the first day of August, sunrise is at 5:53 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:29 pm EDT.

Sunshine

In Brooklyn, the average sunshine in August is 10.5h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be alert! The reflection of water and sand augments UV radiation intensity.
Updated: Feb 13, 2024 | Published by: Weather U.S. | Resources

Frequently asked questions

What are August temperatures in Brooklyn?

The high-temperature in Brooklyn, New York, during August is 80.2°F (26.8°C) and the low-temperature is 70°F (21.1°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in July is appraised at 86°F (30°C).

What is the least humid month in Brooklyn?

August and November, with an average relative humidity of 72%, are the least humid months.

What is the average humidity in August in Brooklyn?

The average relative humidity in August in Brooklyn is 72%.

How many days does it rain in August in Brooklyn?

In Brooklyn, New York, in August, it is raining for 11.7 days, with typically 1.22" (31mm) of accumulated precipitation.

When it does not snow in Brooklyn?

May through November are months without snowfall in Brooklyn, New York.

When is the ocean warmest in Brooklyn?

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

How warm is the water in August in Brooklyn?

In Brooklyn, 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 Brooklyn?

In Brooklyn, New York, the average day length in August is 13h and 44min.

When is the sunrise / sunset in August in Brooklyn?

On the first day of August, sunrise is at 5:53 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:29 pm EDT.

How long on average sun shines in August in Brooklyn?

In Brooklyn, the average sunshine duration in August is 10.5h.

What is the month with the highest UV index in Brooklyn?

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 Brooklyn?

In Brooklyn, New York, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from 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
Brooklyn, NY

Average temperature in August - Brooklyn, NY
  • Average high temperature in August: 80.2°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in August: 70°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

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Average pressure in August
Brooklyn, NY

Average pressure in August - Brooklyn, 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
Brooklyn, NY

Average wind speed in August - Brooklyn, NY
  • Average wind speed in August: 7.6mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).

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Average humidity in August
Brooklyn, NY

Average humidity in August - Brooklyn, NY
  • Average humidity in August: 72%

The months with the highest relative humidity are February, May and June (76%).
The months with the lowest relative humidity are August and November (72%).

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Average rainfall in August
Brooklyn, NY

Average rainfall in August - Brooklyn, NY
  • Average rainfall in August: 1.22"

The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is September (0.51").

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Average rainfall days in August
Brooklyn, NY

Average rainfall days in August - Brooklyn, NY
  • Average rainfall days in August: 11.7 days

The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is January (4.9 days).

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Average snowfall in August
Brooklyn, NY

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

The month with the highest snowfall is March (0.55").
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
Brooklyn, NY

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

The months with the highest number of snowfall days are January and February (3.6 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
Brooklyn, NY

Average sea temperature in August - Brooklyn, 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
Brooklyn, NY

Average daylight in August / Average sunshine in August - Brooklyn, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in August
Brooklyn, NY

Average sunshine days in August - Brooklyn, NY
  • Average sunshine days in August: 17 days

The month with the most sunshine days is January (22 days).
The month with the least sunshine days is June (16 days).

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Average UV index in August
Brooklyn, NY

Average UV index in August - Brooklyn, 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
Brooklyn, NY

Average cloud cover in August - Brooklyn, NY
  • Average cloud cover in August: 28

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 28).

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Average visibility in August
Brooklyn, NY

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

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