August weather forecast
Glen Carbon, PA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Glen Carbon, Pennsylvania, with temperature in the range of an average high of 79.2°F (26.2°C) and an average low of 60.1°F (15.6°C).

Temperature

The onset of August marks an average high-temperature of a still warm 79.2°F (26.2°C), hardly differing from July's 81.3°F (27.4°C). Glen Carbon records an average nighttime low-temperature of 60.1°F (15.6°C) throughout August.

Humidity

In Glen Carbon, the average relative humidity in August is 80%.

Rainfall

In Glen Carbon, in August, it is raining for 14.6 days, with typically 2.64" (67mm) of accumulated precipitation. In Glen Carbon, during the entire year, the rain falls for 146 days and collects up to 26.42" (671mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 44min.
On the first day of the month, sunrise is at 6:02 am and sunset at 8:20 pm. On the last day of August, sunrise is at 6:32 am and sunset at 7:38 pm EDT.

Sunshine

In Glen Carbon, the average sunshine in August is 10h.

UV index

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 5 in August transforms into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August?

In August, in Glen Carbon, the average high-temperature is 79.2°F (26.2°C), and the average low-temperature is 60.1°F (15.6°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in July is computed to be 87.8°F (31°C).

What is the average humidity in August?

In August, the average relative humidity is 80%.

How much does it rain in August?

In Glen Carbon, in August, during 14.6 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

When it does not snow?

In Glen Carbon, snow does not fall in June through September.

What is the average length of the day in August?

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

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:02 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:38 pm EDT.

How many hours of sunshine does Glen Carbon have in August?

The average sunshine duration in August is 10h.

How high is the UV index in August?

In Glen Carbon, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's 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
Glen Carbon, PA

Average temperature in August - Glen Carbon, PA
  • Average high temperature in August: 79.2°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (32.7°F).

  • Average low temperature in August: 60.1°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

Average pressure in August
Glen Carbon, PA

Average pressure in August - Glen Carbon, PA
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Glen Carbon, PA

Average wind speed in August - Glen Carbon, PA
  • Average wind speed in August: 4.8mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in August
Glen Carbon, PA

Average humidity in August - Glen Carbon, PA
  • Average humidity in August: 80%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (77%).

Average rainfall in August
Glen Carbon, PA

Average rainfall in August - Glen Carbon, PA
  • Average rainfall in August: 2.64"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.69").

Average rainfall days in August
Glen Carbon, PA

Average rainfall days in August - Glen Carbon, PA
  • Average rainfall days in August: 14.6 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (5.7 days).

Average snowfall in August
Glen Carbon, PA

Average snowfall in August - Glen Carbon, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Glen Carbon, PA

Average snowfall days in August - Glen Carbon, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Glen Carbon, PA

Average daylight in August / Average sunshine in August - Glen Carbon, PA
  • 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 0min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 24min).

Average sunshine days in August
Glen Carbon, PA

Average sunshine days in August - Glen Carbon, PA
  • Average sunshine days in August: 13.8 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in August
Glen Carbon, PA

Average UV index in August - Glen Carbon, PA
  • Average UV index in August: 5

The months with the highest UV index are June and July (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
Glen Carbon, PA

Average cloud cover in August - Glen Carbon, PA
  • Average cloud cover in August: 34

The months with the most cloud cover are February and December (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in August
Glen Carbon, PA

Average visibility in August - Glen Carbon, PA
  • Average visibility in August: 5mi

The months with the highest visibility are January, March, April, June, November and December (6mi).
The months with the lowest visibility are February, May, July, August, September and October (5mi).

Glen Carbon, Pennsylvania, USA

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