August weather forecast
Glen Allen, AL

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Weather in August

The last month of the summer, August, is another hot month in Glen Allen, Alabama, with temperature in the range of an average low of 70°F (21.1°C) and an average high of 90°F (32.2°C).

Temperature

As Glen Allen welcomes August, the average high-temperature records at a still hot 90°F (32.2°C), marking an insignificant deviation from the prior month. During August, Glen Allen records an average temperature of 70°F (21.1°C) at night.

Heat index

The heat index value for August is calculated to be an extremely hot 109.4°F (43°C). Stay wary: Heat exhaustion and heat cramps are possible. Heatstroke can ensue from extended effort.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

In Glen Allen, the average relative humidity in August is 74%.

Rainfall

In Glen Allen, in August, it is raining for 19.4 days, with typically 3.5" (89mm) of accumulated precipitation. Throughout the year, there are 175.9 rainfall days, and 43.58" (1107mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in August is 13h and 23min.
On the first day of the month, sunrise is at 6:03 am and sunset at 7:51 pm. On the last day of August, sunrise is at 6:24 am and sunset at 7:17 pm CDT.

Sunshine

The average sunshine in August is 10.1h.

UV index

In Glen Allen, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

How hot is it in August?

Glen Allen in August has an average high-temperature of 90°F (32.2°C) and an average low-temperature of 70°F (21.1°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 109.4°F (43°C).

What is the average humidity in August?

In August, the average relative humidity is 74%.

How much does it rain in August?

In August, the rain falls for 19.4 days. Throughout August, 3.5" (89mm) of precipitation is accumulated.

When it does not snow?

In Glen Allen, Alabama, snow does not fall in April through October.

How many hours of daylight does Glen Allen have in August?

The average day length in August is 13h and 23min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 6:03 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 7:17 pm CDT.

How long on average sun shines in August?

In August, the average sunshine duration is 10.1h.

What is the UV index intensity in August?

In Glen Allen, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
Average max. wind speed
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 Allen, AL

Average temperature in August - Glen Allen, AL
  • Average high temperature in August: 90°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in August: 70°F

The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).

Average pressure in August
Glen Allen, AL

Average pressure in August - Glen Allen, AL
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in August
Glen Allen, AL

Average wind speed in August - Glen Allen, AL
  • Average wind speed in August: 4.7mph

The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in August
Glen Allen, AL

Average humidity in August - Glen Allen, AL
  • Average humidity in August: 74%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (72%).

Average rainfall in August
Glen Allen, AL

Average rainfall in August - Glen Allen, AL
  • Average rainfall in August: 3.5"

The wettest month (with the highest rainfall) is December (4.49").
The driest month (with the least rainfall) is November (2.44").

Average rainfall days in August
Glen Allen, AL

Average rainfall days in August - Glen Allen, AL
  • Average rainfall days in August: 19.4 days

The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is November (9.8 days).

Average snowfall in August
Glen Allen, AL

Average snowfall in August - Glen Allen, AL
  • Average snowfall in August: 0"

The months with the highest snowfall are January and February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Glen Allen, AL

Average snowfall days in August - Glen Allen, AL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Glen Allen, AL

Average daylight in August / Average sunshine in August - Glen Allen, AL
  • Average daylight in August: 13h and 2min

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

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in August
Glen Allen, AL

Average sunshine days in August - Glen Allen, AL
  • Average sunshine days in August: 9.3 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (8.3 days).

Average UV index in August
Glen Allen, AL

Average UV index in August - Glen Allen, AL
  • Average UV index in August: 6

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in August
Glen Allen, AL

Average cloud cover in August - Glen Allen, AL
  • Average cloud cover in August: 32

The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 30).

Average visibility in August
Glen Allen, AL

Average visibility in August - Glen Allen, AL
  • Average visibility in August: 6mi

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

Glen Allen, Alabama, USA

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