August weather forecast
Valley Stream, NY

Weather in August

The last month of the summer, August, is also a moderately hot month in Valley Stream, New York, with an average temperature fluctuating between 79.9°F (26.6°C) and 71.1°F (21.7°C).

Temperature

In Valley Stream, the average high-temperature in August is relatively the same as in July - a still moderately hot 79.9°F (26.6°C). In August, the average low-temperature is 71.1°F (21.7°C).

Humidity

In Valley Stream, the average relative humidity in August is 73%.

Rainfall

The wettest months in Valley Stream are July and August, with an average 2.32" (59mm) of rainfall.

Snowfall

April through September are months without snowfall.

Daylight

In August, the average length of the day in Valley Stream is 13h and 44min.
On the first day of the month, sunrise is at 5:51 am and sunset at 8:10 pm. On the last day of August, in Valley Stream, sunrise is at 6:20 am and sunset at 7:29 pm EDT.

Sunshine

In August, the average sunshine in Valley Stream, New York, 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 threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in August in Valley Stream?

In August, in Valley Stream, the average high-temperature is 79.9°F (26.6°C), and the average low-temperature is 71.1°F (21.7°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in July is appraised at 84.2°F (29°C).

What is the average humidity in August in Valley Stream?

In Valley Stream, the average relative humidity in August is 73%.

What is the wettest month in Valley Stream?

The months with the most rainfall in Valley Stream are July and August, with an average 2.32" (59mm) of precipitation.

How many days does it rain in August in Valley Stream?

In August, in Valley Stream, New York, the rain falls for 13.6 days. Throughout August, 2.32" (59mm) of precipitation is accumulated.

When it does not snow in Valley Stream?

April through September are months without snowfall.

How many hours of daylight does Valley Stream have in August?

In August, the average day length in Valley Stream is 13h and 44min.

What time are sunrise and sunset in August in Valley Stream?

On the first day of August, sunrise is at 5:51 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:29 pm EDT.

How many hours of sunshine does Valley Stream have in August?

The average sunshine duration in August is 10.6h.

What is the month with the highest UV index in Valley Stream?

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

What is the UV index reading in August in Valley Stream?

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

Average temperature in August - Valley Stream, NY
  • Average high temperature in August: 79.9°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in August: 71.1°F

The month with the highest average low temperature is August (71.1°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).

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Average pressure in August
Valley Stream, NY

Average pressure in August - Valley Stream, 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
Valley Stream, NY

Average wind speed in August - Valley Stream, NY
  • Average wind speed in August: 8.2mph

The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8mph).

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Average humidity in August
Valley Stream, NY

Average humidity in August - Valley Stream, NY
  • Average humidity in August: 73%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (72%).

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Average rainfall in August
Valley Stream, NY

Average rainfall in August - Valley Stream, NY
  • Average rainfall in August: 2.32"

The wettest months (with the highest rainfall) are July and August (2.32").
The driest month (with the least rainfall) is January (0.91").

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Average rainfall days in August
Valley Stream, NY

Average rainfall days in August - Valley Stream, NY
  • Average rainfall days in August: 13.6 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in August
Valley Stream, NY

Average snowfall in August - Valley Stream, NY
  • Average snowfall in August: 0"

The month with the highest snowfall is March (1.02").
The months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days in August
Valley Stream, NY

Average snowfall days in August - Valley Stream, NY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Valley Stream, NY

Average daylight in August / Average sunshine in August - Valley Stream, 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 4min

The month with the most sunshine is July (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
Valley Stream, NY

Average sunshine days in August - Valley Stream, NY
  • Average sunshine days in August: 15.4 days

The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is July (13.6 days).

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Average UV index in August
Valley Stream, NY

Average UV index in August - Valley Stream, 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
Valley Stream, NY

Average cloud cover in August - Valley Stream, NY
  • Average cloud cover in August: 27

The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in August
Valley Stream, NY

Average visibility in August - Valley Stream, 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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