August weather forecast
Greenvale, NY

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Weather in August

The last month of the summer, August, is also a moderately hot month in Greenvale, New York, with an average temperature ranging between max 80.4°F (26.9°C) and min 70.3°F (21.3°C).

Temperature

The start of August sees the average high-temperature at a still warm 80.4°F (26.9°C), showing little difference from July's 81.5°F (27.5°C). The nights of August in Greenvale, New York, anticipate an average low-temperature of 70.3°F (21.3°C).

Humidity

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

Rainfall

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

Snowfall

In Greenvale, snow does not fall in May through October.

Daylight

In Greenvale, 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, in Greenvale, New York, sunrise is at 6:21 am and sunset at 7:28 pm EDT.

Sunshine

In August, the average sunshine in Greenvale is 10.6h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Greenvale, New York. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 6 in August translates into these instructions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. 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.
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Frequently asked questions

What is the usual temperature for Greenvale in August?

Greenvale in August has an average high-temperature of 80.4°F (26.9°C) and an average low-temperature of 70.3°F (21.3°C). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 86°F (30°C).

What is the least humid month in Greenvale?

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

What is the average humidity in August in Greenvale?

In Greenvale, New York, the average relative humidity in August is 71%.

How much does it rain in Greenvale in August?

In Greenvale, New York, during August, the rain falls for 16.2 days and regularly aggregates up to 3.54" (90mm) of precipitation.

When it does not snow in Greenvale?

In Greenvale, snow does not fall in May through October.

What is the average length of the day in August in Greenvale?

The average day length in August in Greenvale is 13h and 45min.

When is the sunrise / sunset in August in Greenvale?

On the first day of August in Greenvale, sunrise is at 5:51 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:28 pm EDT.

How long on average sun shines in August in Greenvale?

The average sunshine duration in August in Greenvale is 10.6h.

What are the months with the highest UV index in Greenvale?

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

How high is the UV index in August in Greenvale?

The average daily maximum UV index in August in Greenvale is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
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
Greenvale, NY

Average temperature in August - Greenvale, 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).

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Average pressure in August
Greenvale, NY

Average pressure in August - Greenvale, 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
Greenvale, NY

Average wind speed in August - Greenvale, 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).

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Average humidity in August
Greenvale, NY

Average humidity in August - Greenvale, 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%).

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Average rainfall in August
Greenvale, NY

Average rainfall in August - Greenvale, 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").

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Average rainfall days in August
Greenvale, NY

Average rainfall days in August - Greenvale, 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).

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Average snowfall in August
Greenvale, NY

Average snowfall in August - Greenvale, 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").

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Average snowfall days in August
Greenvale, NY

Average snowfall days in August - Greenvale, 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).

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

Average daylight in August / Average sunshine in August - Greenvale, 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).

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Average sunshine days in August
Greenvale, NY

Average sunshine days in August - Greenvale, 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).

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Average UV index in August
Greenvale, NY

Average UV index in August - Greenvale, 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
Greenvale, NY

Average cloud cover in August - Greenvale, 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).

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Average visibility in August
Greenvale, NY

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

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