August weather forecast
South Nyack, NY

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Weather in August

The last month of the summer, August, is another warm month in South Nyack, New York, with an average temperature fluctuating between 65.7°F (18.7°C) and 82.9°F (28.3°C).

Temperature

South Nyack experiences a subtle adjustment in high-temperatures to a still moderately hot 82.9°F (28.3°C) with the onset of August, maintaining near parity with July's 84.4°F (29.1°C). The average low-temperature, in August, is a comfortable 65.7°F (18.7°C).

Heat index

The heat index value during August is calculated to be a tropical 87.8°F (31°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a composite of temperature and humidity figures to convey how warm it feels. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

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

Rainfall

In August, the rain falls for 15.8 days. Throughout August, 2.83" (72mm) of precipitation is accumulated. In South Nyack, during the entire year, the rain falls for 151.8 days and collects up to 30.79" (782mm) of precipitation.

Snowfall

In South Nyack, snow does not fall in May through September.

Daylight

In August, the average length of the day is 13h and 46min.
On the first day of the month, sunrise is at 5:52 am and sunset at 8:11 pm. On the last day of August, in South Nyack, sunrise is at 6:22 am and sunset at 7:29 pm EDT.

Sunshine

The average sunshine in August is 10.3h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: In August, a regular UV index of 6 translates into these guidelines:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in South Nyack in August?

An average high-temperature, in August, in South Nyack, is 82.9°F (28.3°C) and the average low-temperature is 65.7°F (18.7°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is calculated to be 87.8°F (31°C).

What is the least humid month?

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

What is the average humidity in August?

In August, the average relative humidity is 70%.

How many days does it rain in August?

In August, the rain falls for 15.8 days. Throughout August, 2.83" (72mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

How many hours of daylight does South Nyack have in August?

In August, the average day length is 13h and 46min.

What time are sunrise and sunset in August?

On the first day of August, 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 7:29 pm EDT.

How long on average sun shines in August?

In August, the average sunshine duration is 10.3h.

What are the months with the highest UV index?

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

What is the UV index intensity in August?

In South Nyack, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes 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
South Nyack, NY

Average temperature in August - South Nyack, NY
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in August: 65.7°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in August
South Nyack, NY

Average pressure in August - South Nyack, 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
South Nyack, NY

Average wind speed in August - South Nyack, NY
  • Average wind speed in August: 5.4mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in August
South Nyack, NY

Average humidity in August - South Nyack, NY
  • Average humidity in August: 70%

The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (70%).

Average rainfall in August
South Nyack, NY

Average rainfall in August - South Nyack, NY
  • Average rainfall in August: 2.83"

The wettest month (with the highest rainfall) is July (3.35").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in August
South Nyack, NY

Average rainfall days in August - South Nyack, NY
  • Average rainfall days in August: 15.8 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in August
South Nyack, NY

Average snowfall in August - South Nyack, NY
  • Average snowfall in August: 0"

The month with the highest snowfall is March (2.8").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
South Nyack, NY

Average snowfall days in August - South Nyack, NY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
South Nyack, NY

Average daylight in August / Average sunshine in August - South Nyack, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in August
South Nyack, NY

Average sunshine days in August - South Nyack, NY
  • Average sunshine days in August: 12.6 days

The months with the most sunshine days are January and November (20 days).
The month with the least sunshine days is July (10.9 days).

Average UV index in August
South Nyack, NY

Average UV index in August - South Nyack, 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
South Nyack, NY

Average cloud cover in August - South Nyack, NY
  • Average cloud cover in August: 32

The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in August
South Nyack, NY

Average visibility in August - South Nyack, 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).

South Nyack, New York, USA

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