August weather forecast
Oyster Bay, NY

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Weather in August

The last month of the summer, August, is another warm month in Oyster Bay, New York, with an average temperature ranging between max 80.4°F (26.9°C) and min 70.3°F (21.3°C).

Temperature

As Oyster Bay, New York, welcomes August, the average high-temperature stabilizes at a still warm 80.4°F (26.9°C), showing little deviation from July's 81.5°F (27.5°C). During August, Oyster Bay records a consistent average nighttime temperature of 70.3°F (21.3°C).

Humidity

The months with the lowest humidity are August and November, with an average relative humidity of 71%.

Rainfall

In August, the rain falls for 16.2 days. Throughout August, 3.54" (90mm) of precipitation is accumulated. Throughout the year, there are 165.9 rainfall days, and 37.56" (954mm) of precipitation is accumulated.

Snowfall

In Oyster Bay, snow does not fall in May through October.

Daylight

The average length of the day in August is 13h and 45min.
On the first day of the month, sunrise is at 5:51 am and sunset at 8:09 pm. On the last day of August, sunrise is at 6:20 am and sunset at 7:27 pm EDT.

Sunshine

In Oyster Bay, the average sunshine in August is 10.6h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average UV index of 6 in August transforms into this advice:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Oyster Bay in August?

During August, Oyster Bay experiences an average high-temperature of 80.4°F (26.9°C) and a low-temperature of 70.3°F (21.3°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in July is calculated to be 86°F (30°C).

What is the least humid month?

August and November, with an average relative humidity of 71%, are the least humid months.

What is the average humidity in August?

In August, the average relative humidity is 71%.

How many days does it rain in August?

In Oyster Bay, in August, during 16.2 rainfall days, 3.54" (90mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall in Oyster Bay.

How many hours of daylight does Oyster Bay have in August?

In August, the average day length is 13h and 45min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:51 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:27 pm EDT.

How long on average sun shines in August?

In Oyster Bay, the average sunshine duration in August is 10.6h.

What is the month with the highest UV index?

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

How high is the UV index in August?

In Oyster Bay, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe 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
Oyster Bay, NY

Average temperature in August - Oyster Bay, NY
  • Average high temperature in August: 80.4°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 (36.5°F).

  • Average low temperature in August: 70.3°F

The months with the highest average low temperature are July and August (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

Average pressure in August
Oyster Bay, NY

Average pressure in August - Oyster Bay, 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).

Average wind speed in August
Oyster Bay, NY

Average wind speed in August - Oyster Bay, NY
  • Average wind speed in August: 7.4mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

Average humidity in August
Oyster Bay, NY

Average humidity in August - Oyster Bay, NY
  • Average humidity in August: 71%

The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).

Average rainfall in August
Oyster Bay, NY

Average rainfall in August - Oyster Bay, NY
  • Average rainfall in August: 3.54"

The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.4").

Average rainfall days in August
Oyster Bay, NY

Average rainfall days in August - Oyster Bay, NY
  • Average rainfall days in August: 16.2 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in August
Oyster Bay, NY

Average snowfall in August - Oyster Bay, NY
  • Average snowfall in August: 0"

The month with the highest snowfall is March (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Oyster Bay, NY

Average snowfall days in August - Oyster Bay, NY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Oyster Bay, NY

Average daylight in August / Average sunshine in August - Oyster Bay, 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 July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in August
Oyster Bay, NY

Average sunshine days in August - Oyster Bay, NY
  • Average sunshine days in August: 12.5 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (10.6 days).

Average UV index in August
Oyster Bay, NY

Average UV index in August - Oyster Bay, 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).

Average cloud cover in August
Oyster Bay, NY

Average cloud cover in August - Oyster Bay, NY
  • Average cloud cover in August: 29

The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).

Average visibility in August
Oyster Bay, NY

Average visibility in August - Oyster Bay, 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).

Oyster Bay, New York, USA

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