August weather forecast
Glassboro, NJ

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Weather in August

The last month of the summer, August, is another warm month in Glassboro, New Jersey, with temperature in the range of an average low of 67.6°F (19.8°C) and an average high of 83.3°F (28.5°C).

Temperature

August's average high-temperature stands at a still moderately hot 83.3°F (28.5°C), showing little deviation from July's 85.3°F (29.6°C). In August, Glassboro encounters an average low-temperature of 67.6°F (19.8°C) during the night.

Heat index

The heat index for August is evaluated at a hot 89.6°F (32°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.
Heat index readings emphasize conditions of light breezes and shaded spots. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a single figure representing how weather conditions feel when combining temperature and humidity. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in August in Glassboro is 75%.

Rainfall

In Glassboro, during August, the rain falls for 14.7 days and regularly aggregates up to 2.91" (74mm) of precipitation. In Glassboro, during the entire year, the rain falls for 154.9 days and collects up to 30.47" (774mm) of precipitation.

Snowfall

June through October are months without snowfall in Glassboro, New Jersey.

Daylight

In Glassboro, the average length of the day in August is 13h and 41min.
On the first day of the month, sunrise is at 6:00 am and sunset at 8:13 pm. On the last day of August, sunrise is at 6:28 am and sunset at 7:32 pm EDT.

Sunshine

In Glassboro, the average sunshine in August is 10.3h.

UV index

The months with the highest UV index in Glassboro are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: An average maximum UV index of 6 in August leads to these recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Glassboro in August?

In Glassboro, 83.3°F (28.5°C) is the average high-temperature and 67.6°F (19.8°C) is the average low-temperature during August. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in August is evaluated at 89.6°F (32°C).

What is the average humidity in August in Glassboro?

In Glassboro, the average relative humidity in August is 75%.

How much does it rain in Glassboro in August?

In Glassboro, in August, it is raining for 14.7 days, with typically 2.91" (74mm) of accumulated precipitation.

When it does not snow in Glassboro?

June through October are months without snowfall in Glassboro.

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

The average day length in August is 13h and 41min.

When are sunrise and sunset in August in Glassboro?

In August, on the first day of the month, sunrise is at 6:00 am and sunset at 8:13 pm. On the last day of the month, in Glassboro, New Jersey, sunrise is at 6:28 am and sunset at 7:32 pm EDT.

How long on average sun shines in August in Glassboro?

In Glassboro, the average sunshine duration in August is 10.3h.

When is the highest UV index in Glassboro?

The months with the highest UV index in Glassboro are May through August, with an average maximum UV index of 6.

What is the UV index intensity in August in Glassboro?

In August, the average daily maximum UV index in Glassboro is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Glassboro, NJ

Average temperature in August - Glassboro, NJ
  • Average high temperature in August: 83.3°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in August: 67.6°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure in August
Glassboro, NJ

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

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Glassboro, NJ

Average wind speed in August - Glassboro, NJ
  • Average wind speed in August: 5.7mph

The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in August
Glassboro, NJ

Average humidity in August - Glassboro, NJ
  • Average humidity in August: 75%

The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (71%).

Average rainfall in August
Glassboro, NJ

Average rainfall in August - Glassboro, NJ
  • Average rainfall in August: 2.91"

The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in August
Glassboro, NJ

Average rainfall days in August - Glassboro, NJ
  • Average rainfall days in August: 14.7 days

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in August
Glassboro, NJ

Average snowfall in August - Glassboro, NJ
  • Average snowfall in August: 0"

The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in August
Glassboro, NJ

Average snowfall days in August - Glassboro, NJ
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (5.5 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
Glassboro, NJ

Average daylight in August / Average sunshine in August - Glassboro, NJ
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in August: 10h and 2min

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 54min).

Average sunshine days in August
Glassboro, NJ

Average sunshine days in August - Glassboro, NJ
  • Average sunshine days in August: 14 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in August
Glassboro, NJ

Average UV index in August - Glassboro, NJ
  • Average UV index in August: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in August
Glassboro, NJ

Average cloud cover in August - Glassboro, NJ
  • Average cloud cover in August: 30

The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 30).

Average visibility in August
Glassboro, NJ

Average visibility in August - Glassboro, 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).

Glassboro, New Jersey, USA

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