August weather forecast
Brookhaven, NY

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Weather in August

August, the last month of the summer in Brookhaven, is also a moderately hot month, with an average temperature fluctuating between 77.5°F (25.3°C) and 71.4°F (21.9°C).

Temperature

August proves to be the warmest month, recording an average peak temperature of 77.5°F (25.3°C) and a minimum temperature of 71.4°F (21.9°C).

Humidity

In August, the average relative humidity in Brookhaven is 75%.

Rainfall

In Brookhaven, New York, in August, during 15.2 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. Throughout the year, there are 156.2 rainfall days, and 30.2" (767mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Brookhaven, the average length of the day in August is 13h and 45min.
On the first day of August, sunrise is at 5:48 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:25 pm EDT.

Sunshine

The months with the most sunshine are July and August, with an average of 10.8h of sunshine.

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 vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In August, the maximum UV index of 6 suggests this advice:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. 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. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What is the hottest time of year in Brookhaven?

In Brookhaven, New York, the peak temperatures are generally noted in August, averaging a high of 77.5°F (25.3°C) and a low of 71.4°F (21.9°C).

What are the temperatures in Brookhaven in August?

In August, in Brookhaven, the average high-temperature is 77.5°F (25.3°C), and the average low-temperature is 71.4°F (21.9°C).

What is the average humidity in August in Brookhaven?

The average relative humidity in August is 75%.

How many days does it rain in August in Brookhaven?

In Brookhaven, New York, during August, the rain falls for 15.2 days and regularly aggregates up to 2.68" (68mm) of precipitation.

When it does not snow in Brookhaven?

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

How many hours of daylight does Brookhaven have in August?

The average day length in August in Brookhaven, New York, is 13h and 45min.

What time are sunrise and sunset in August in Brookhaven?

In August, on the first day of the month, sunrise is at 5:48 am and sunset at 8:07 pm. On the last day of the month, in Brookhaven, New York, sunrise is at 6:18 am and sunset at 7:25 pm EDT.

What are the months with the most sunshine in Brookhaven?

The months with the most sunshine in Brookhaven, New York, are July and August, with an average of 10.8h of sunshine.

How long on average sun shines in August in Brookhaven?

In August, the average sunshine duration in Brookhaven is 10.8h.

When is the highest UV index in Brookhaven?

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

How high is the UV index in August in Brookhaven?

In Brookhaven, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Brookhaven, NY

Average temperature in August - Brookhaven, NY
  • Average high temperature in August: 77.5°F

The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in August: 71.4°F

The months with the highest average low temperature are July and August (71.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

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Average pressure in August
Brookhaven, NY

Average pressure in August - Brookhaven, 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
Brookhaven, NY

Average wind speed in August - Brookhaven, NY
  • Average wind speed in August: 9.6mph

The windiest month (with the highest average wind speed) is January (14.5mph).
The calmest months (with the lowest average wind speed) are July and August (9.6mph).

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Average humidity in August
Brookhaven, NY

Average humidity in August - Brookhaven, NY
  • Average humidity in August: 75%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is November (71%).

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Average rainfall in August
Brookhaven, NY

Average rainfall in August - Brookhaven, NY
  • Average rainfall in August: 2.68"

The wettest month (with the highest rainfall) is December (3.31").
The driest months (with the least rainfall) are January, February and September (2.01").

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Average rainfall days in August
Brookhaven, NY

Average rainfall days in August - Brookhaven, NY
  • Average rainfall days in August: 15.2 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (9 days).

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Average snowfall in August
Brookhaven, NY

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

The month with the highest snowfall is January (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Brookhaven, NY

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

The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

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 5min

The months with the most sunshine are July and August (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
Brookhaven, NY

Average sunshine days in August - Brookhaven, NY
  • Average sunshine days in August: 13.3 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is February (12.8 days).

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Average UV index in August
Brookhaven, NY

Average UV index in August - Brookhaven, 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
Brookhaven, NY

Average cloud cover in August - Brookhaven, NY
  • Average cloud cover in August: 26

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 26).

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Average visibility in August
Brookhaven, NY

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

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