August weather forecast
Green Island, NJ

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Weather in August

The last month of the summer, August, is also a moderately hot month in Green Island, New Jersey, with an average temperature ranging between max 79.7°F (26.5°C) and min 70.5°F (21.4°C).

Temperature

The transition into August reveals an average high-temperature of a still moderately hot 79.7°F (26.5°C), mirroring a close resemblance to July. The average temperature in Green Island drops to an agreeable 70.5°F (21.4°C) during the night in the month of August.

Humidity

The average relative humidity in August in Green Island is 76%.

Rainfall

In Green Island, in August, it is raining for 13.4 days, with typically 2.32" (59mm) of accumulated precipitation. In Green Island, during the entire year, the rain falls for 137.7 days and collects up to 19.09" (485mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Green Island, New Jersey, the average length of the day in August is 13h and 42min.
On the first day of the month, sunrise is at 5:55 am and sunset at 8:09 pm. On the last day of August, sunrise is at 6:23 am and sunset at 7:29 pm EDT.

Sunshine

In Green Island, 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 exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 6 in August converts into the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. 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. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What are the temperatures in Green Island in August?

The high-temperature, in August, in Green Island, is 79.7°F (26.5°C), while the low-temperature averages to 70.5°F (21.4°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 86°F (30°C).

What is the average humidity in August in Green Island?

In August, the average relative humidity is 76%.

How many days does it rain in August in Green Island?

In August, in Green Island, the rain falls for 13.4 days. Throughout August, 2.32" (59mm) of precipitation is accumulated.

When it does not snow in Green Island?

In Green Island, snow does not fall in April through October.

What is the average length of the day in August in Green Island?

The average day length in August in Green Island is 13h and 42min.

When are sunrise and sunset in August in Green Island?

In August, on the first day of the month, sunrise is at 5:55 am and sunset at 8:09 pm. On the last day of the month, in Green Island, New Jersey, sunrise is at 6:23 am and sunset at 7:29 pm EDT.

How long on average sun shines in August in Green Island?

In August, the average sunshine duration is 10.6h.

When is the highest UV index in Green Island?

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

How high is the UV index in August in Green Island?

In Green Island, New Jersey, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Green Island, NJ

Average temperature in August - Green Island, NJ
  • Average high temperature in August: 79.7°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 (38.8°F).

  • Average low temperature in August: 70.5°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

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Average pressure in August
Green Island, NJ

Average pressure in August - Green Island, NJ
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Green Island, NJ

Average wind speed in August - Green Island, NJ
  • Average wind speed in August: 8.1mph

The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is July (8mph).

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Average humidity in August
Green Island, NJ

Average humidity in August - Green Island, NJ
  • Average humidity in August: 76%

The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January, March and November (74%).

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Average rainfall in August
Green Island, NJ

Average rainfall in August - Green Island, NJ
  • Average rainfall in August: 2.32"

The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is January (0.94").

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Average rainfall days in August
Green Island, NJ

Average rainfall days in August - Green Island, NJ
  • Average rainfall days in August: 13.4 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is January (7 days).

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Average snowfall in August
Green Island, NJ

Average snowfall in August - Green Island, NJ
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in August
Green Island, NJ

Average snowfall days in August - Green Island, NJ
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4.4 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
Green Island, NJ

Average daylight in August / Average sunshine in August - Green Island, NJ
  • 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 24min).

  • 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 54min).

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Average sunshine days in August
Green Island, NJ

Average sunshine days in August - Green Island, NJ
  • Average sunshine days in August: 14.6 days

The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is July (11.9 days).

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Average UV index in August
Green Island, NJ

Average UV index in August - Green Island, NJ
  • 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, November and December (UV index 2).

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Average cloud cover in August
Green Island, NJ

Average cloud cover in August - Green Island, NJ
  • Average cloud cover in August: 28

The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in August
Green Island, NJ

Average visibility in August - Green Island, NJ
  • 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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Green Island, New Jersey, USA

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